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Published Online: 9 February 2021

Impact of Psychiatric Diagnoses and Treatment on Postoperative Outcomes Among Patients Undergoing Surgery for Colorectal Cancer

Abstract

Objective:

Psychiatric diagnoses may be a risk factor for poor colorectal cancer (CRC) surgery outcomes. The authors investigated the risk of psychiatric diagnoses and benefit of mental health treatment for surgery outcomes among CRC patients.

Methods:

This retrospective cohort study of patients undergoing CRC surgery in the 2000–2014 period identified documentation of psychiatric diagnosis and mental health treatment (no treatment, medication only, psychotherapy only, or both medication and psychotherapy) 30 days before surgery. Associations between psychiatric diagnoses, mental health treatment, and postoperative outcomes (postoperative complications, length of stay [LOS], and 90-day readmission rate) were evaluated with multivariable generalized estimating equations.

Results:

Among 58,961 patients undergoing CRC surgery, 9,029 (15.3%) had psychiatric diagnoses, 4,601 (51.0%) of whom received preoperative mental health treatment (90.0% psychiatric medication, 6.7% psychotherapy, and 3.0% medication and psychotherapy). Patients with psychiatric diagnoses had an increased risk for postoperative complications (odds ratio [OR]=1.09, 95% confidence interval [CI]=1.03–1.15) and 90-day readmission (OR=1.11, 95% CI=1.06–1.17) compared with patients without psychiatric diagnoses. Patients with psychiatric diagnoses who received no mental health treatment or only medication had a 7%–17% increased risk for postoperative complications and 90-day readmission compared with patients without psychiatric diagnoses. Patients who received medication only also had a 4% increase in LOS relative to patients without psychiatric diagnoses. Patients with psychiatric diagnoses receiving only psychotherapy and patients without psychiatric diagnoses had similar postoperative outcomes.

Conclusions:

Preoperative psychiatric diagnoses were associated with worse postoperative outcomes. Surgical quality-improvement efforts should focus on identifying patients with preoperative psychiatric diagnoses and addressing these conditions presurgery.

HIGHLIGHTS

Preoperative psychiatric diagnoses increased the risk for postoperative complications and 90-day readmission among patients undergoing surgery for colorectal cancer.
Only half of the patients with a preoperative psychiatric diagnosis received any mental health treatment during the month before surgery.
Preoperative mental health treatment was associated with postoperative outcomes.
Colorectal cancer (CRC) is the fourth most common cancer in the United States, with >130,000 new cases diagnosed each year (1). Surgical resection and multimodality care are standard treatment components for patients with CRC. However, postoperative complications, which occur in an estimated 19%–35% of patients having colorectal surgery, remain an ongoing challenge (2, 3). Complications are associated with decreased quality of life and increased in-hospital length of stay (LOS), readmission, interruption of multimodality therapy, and costs (4, 5).
Preoperative mental health may be an important predictor of postoperative recovery. Patients diagnosed as having depression before colorectal surgery remain in the hospital 1 day longer on average, are less likely to be discharged home, and are 11% more likely to be readmitted to the hospital than patients without a depression diagnosis (6, 7). The true impact of mental health difficulties on postoperative outcomes is likely even greater because psychiatric disorders are underrecognized and underdocumented in medical records (8, 9). Although preoperative mental health may represent an important modifiable risk factor and a target of surgical quality-improvement efforts, to our knowledge, the prevalence of mental health treatment among surgical patients has not been well characterized. Therefore, the goals of this study were to determine the association of preoperative psychiatric diagnoses and mental health treatment with postoperative outcomes after CRC surgery.

Methods

Data Sources

To examine the relationship between preoperative psychiatric diagnoses and treatment on postoperative outcomes, we linked the Patient Care Services databases (Corporate Data Warehouse [CDW]) of the Veteran Health Administration (VHA) to data from the U.S. Department of Veterans Affairs (VA) Surgical Quality Improvement Program (VASQIP). CDW data are derived from the VHA’s national electronic medical record and capture health care encounters (10). VASQIP is a mandatory national program designed to measure and provide feedback on the quality of surgical care at VHA hospitals (11). VASQIP includes both preoperative (e.g., patient demographic characteristics, comorbid conditions, and laboratory values) and postoperative outcome data. Previous work has demonstrated the accuracy and reliability of the data (12).
This study was approved by the Baylor College of Medicine Institutional Review Board and the Michael E. DeBakey VA Medical Center Research and Development Committee. Data analyses took place between 2017 and 2019.

Sample Population and Database Linkage

In this study, we identified all patients in VASQIP who underwent colon or rectal resection (Current Procedural Terminology [CPT] codes 44140–44160, 44204–44212, 45110–45149, 45151–45172, 45395, and 45397) from 2000 to 2014 in conjunction with a primary diagnosis code for colon or rectal cancer (ICD-9 codes 153.0–153.4, 153.6–153.9, 154.0–154.3, 154.8, 230.3, and 230.4). This screening and selection resulted in a retrospective cohort of 58,961 patients. VASQIP records were then linked to each patient’s CDW data to identify preoperative psychiatric diagnoses (according to ICD-9 codes) and receipt of preoperative mental health treatment (CPT codes; see online supplement for both codes).

Variables

The main variables of interest were presence of a psychiatric diagnosis, documented by any VA provider within 30 days before surgery, and receipt of mental health treatment within 60 days before surgery. Outcome variables included occurrence of a postoperative complication, defined per VASQIP records as perioperative mortality, cardiac complications, postoperative pneumonia, intubation for >48-hour postoperatively unplanned reintubation, venous thromboembolic events, renal dysfunction, or surgical site infections; increased postoperative hospital LOS; and readmission within 90 days of surgery.

Statistical Analyses

We performed multivariable analyses to examine the association between preoperative psychiatric diagnoses and treatment on postoperative outcomes; we used generalized estimating equations to account for clustering of patients at the surgical facility. We modeled complications and readmissions by using a binary distribution and modeled LOS with a Poisson distribution.
Subgroup analyses were conducted to examine the association of each psychiatric diagnostic category (i.e., depressive, anxiety, bipolar, posttraumatic stress, substance use, psychotic, cognitive, and personality disorders), compared with having no preoperative psychiatric diagnosis, with postoperative outcomes. Subgroup analyses examining the association of preoperative mental health treatment on postoperative outcomes for each diagnostic category were not conducted because of insufficient statistical power. However, we computed the percentages of complications and hospital readmissions, as well as median LOS by treatment type, for each diagnostic category.
Model covariates included demographic factors (age, sex, race, hospital region, rurality, and year of surgery) and preoperative clinical factors, including the Deyo modification of the Charlson comorbidity index (13); current smoking status; functional status (independent, partially or totally dependent); American Society of Anesthesiology classification; systemic sepsis or ventilator dependency 48 hours before surgery; steroid use for a chronic condition, ascites, or chemotherapy within 30 days before surgery; radiotherapy within 90 days of surgery; 10% loss of body weight in the 6 months preceding surgery; preoperative serum creatine; postgraduate year of surgeon; emergency surgery status; surgical approach (laparoscopic, open, or both); site (colon, rectum, or both); presence of an ostomy; and postoperative wound class (clean, contaminated, or infected). We conducted all analyses with SAS, version 9.4, using the PROC GENMOD procedure.

Results

Patient Population

Our cohort consisted of 58,961 patients with CRC who underwent colon or rectal resection. Postoperative complications occurred in 30.1% (N=17,736) of patients, the median LOS was 8 days, and 23.4% (N=13,767) of the patients were readmitted within 90 days. In total, 9,029 (15.3%) patients had one or more psychiatric diagnoses. Of those who had a psychiatric diagnosis, substance use disorder, including tobacco use disorder, was most commonly diagnosed (50.7%, N=4,579), followed by depression (30.3%, N=2,738), posttraumatic stress disorder (19.5%, N=1,762), anxiety (10.4%, N=942), psychotic disorder (7.5%, N=679), bipolar disorder (5.6%, N=505), cognitive disorder (2.6%, N=239), and personality disorder (1.2%, N=105). Comparisons of pre- and perioperative covariates are given in Table 1.
TABLE 1. Characteristics of the 2000–2014 study cohort of patients undergoing CRC surgery, by preoperative psychiatric diagnosisa
 Entire cohort (N=58,961)No psychiatric diagnosis (N=49,932)>1 psychiatric diagnosis (N=9,029) 
CharacteristicN%N%N%Unadjusted p
Age (M±SD)66.16±11.1 66.87±11.09 62.23±10.34 <.001
Sex (% male)57,15596.948,51897.28,63795.7<.001
Race-ethnicity      .002
 White43,98774.637,30274.76,68574.0 
 African American9,76916.68,17616.41,59317.6 
 Hispanic or Latino2,9245.02,5275.13974.4 
 Other or unknown2,2813.91,9273.93543.9 
Region      <.001
 Urban50,06784.942,21084.57,85787.0 
 Rural6,44910.95,42910.91,02011.3 
 Unknown2,4454.22,2934.61521.7 
Charlson-Deyo index (M±SD)b2.45±1.95 2.45±1.95 2.46±1.99 .619
Smoking status (% smoker)17,88630.313,16726.44,71952.3<.001
ASA classification      <.001
 Healthy patient310.5289.621.2 
 Mild systemic disease11,48219.59,90319.81,57917.5 
 Severe, constant threat, or moribund47,16780.039,73879.67,42982.3 
Sepsisc8601.52,1304.34284.7.042
Ventilator dependentc8601.57031.41571.7.016
Ascitesd1,0581.88601.71982.2.002
>10% body weight losse5,6569.64,7329.592410.2.025
Surgery site      .001
 Colon54,25392.045,85491.88,39993.0 
 Rectum4,3837.43,7987.65856.5 
 Both325.6280.645.5 
Ostomy12,77921.710,86121.81,91821.2.280
Emergency surgery8,57114.57,17514.41,39615.5.007
procedure      <.001
 Laparoscopic7,73013.16,30812.61,42215.8 
 Open51,10186.743,51387.17,58884.0 
 Both laparoscopic and open130.2111.219.2 
Wound class      <.001
 Clean4,5837.83,9818.06026.7 
 Clean and contaminated45,60377.338,64677.46,95777.1 
 Contaminated5,99410.25,03410.196010.6 
 Infected2,7814.72,2714.65105.7 
Postoperative outcomes       
 Length of stay (days; M±SD)11.6±13.3 11.6±13.4 11.7±13.0 .52
 ≥1 postoperative complication17,73630.114,88229.82,85431.6<.001
 90-day readmission13,76723.411,45822.92,30925.6<.001
a
ASA, American Society of Anesthesiology; CRC, colorectal cancer.
b
The Charlson-Deyo index is the sum of 17 comorbid conditions, each given a weight (from 1 to 6) based on associated mortality risk (13).
c
Within 48 hours before surgery.
d
Within 30 days before surgery.
e
Within 6 months before surgery.
Among patients with a psychiatric diagnosis (N=9,029), in the 30 days before surgery, 4,428 (49.0%) received no mental health treatment, 4,157 (46.0%) received a prescription for psychiatric medications and no psychotherapy (i.e., medication only), 308 (3.4%) received one or more psychotherapy sessions without medication (psychotherapy only), and 136 (1.5%) received psychiatric medication and one or more psychotherapy sessions (i.e., medication and psychotherapy). Treatment engagement was similar among patients with depressive, anxiety, posttraumatic stress, bipolar, psychotic, or personality disorders; 23.8%–29.1% received no mental health treatment, and 60.1%–70.6% received medications only. Conversely, among patients with substance use or cognitive disorders, 65.3%–66.1% received no mental health treatment, and 30.1% received medication only. Among all diagnostic categories, 2.0%–4.4% received psychotherapy only, and 0.0%–11.5% received both medication and psychotherapy. (For the Ns used to calculate these percentages, see online supplement.)

Association of Preoperative Mental Health Treatment With Postoperative Outcomes

Results for each outcome are presented in Table 2.
TABLE 2. Postoperative outcomes of the 2000–2014 study cohort of patients undergoing colorectal cancer surgery, by mental health treatmenta
  ≥1 complicationLength of stay90-day readmission
Psychiatric diagnosisNN%OR95% CIMSDRate ratio95% CIN%OR95% CI
None (reference)49,93214,88229.811.613.411,45823.0
Yes, no treatment4,4281,38631.31.071.00–1.1411.613.31.01.97–1.031,10725.01.131.06–1.21
Yes, medication only4,1571,34332.31.171.07–1.2711.813.01.041.01–1.081,09726.41.171.09–1.27
Yes, psychotherapy only3088527.6.99.76–1.2910.910.7.98.88–1.096721.8.98.76–1.28
Yes, medication and psychotherapy1364230.91.03.72–1.4513.812.31.13.99–1.313827.91.28.89–1.84
a
The model was adjusted for patient characteristics, pre- and perioperative conditions, and surgeon’s postgraduate year. Means, SDs, and percentages are unadjusted.

Postoperative complications.

Patients with a preoperative psychiatric diagnosis had greater odds of postoperative complication than patients with no psychiatric diagnosis (odds ratio [OR]=1.09, 95% confidence interval [CI]=1.03–1.15). Patients who received only medication (OR=1.17, 95% CI=1.07–1.27) or no mental health treatment (OR=1.07, 95% CI=1.00–1.14) had greater odds of postoperative complications compared with patients with no psychiatric diagnosis. Patients with a psychiatric diagnosis who received only psychotherapy (OR=0.99, 95% CI=0.76–1.29) or received both medication and psychotherapy (OR=1.03, 95% CI=0.72–1.45) did not significantly differ from patients with no psychiatric diagnosis in terms of complications. Among all patients, surgical site infections were the most common complication, followed by intubation for >48 hours postsurgery and postoperative pneumonia.

LOS.

The unadjusted and adjusted LOS means did not significantly differ between patients with and without a preoperative psychiatric diagnosis (rate ratio=1.02, 95% CI=0.99–1.05). Patients with a psychiatric diagnosis who received only medication had an adjusted average LOS that was 4% (range 1%–8%) longer than the LOS of patients with no psychiatric diagnosis (p=0.03). LOS did not significantly differ between patients with a psychiatric diagnosis who received only psychotherapy, both medication and psychotherapy, or no treatment and patients without a psychiatric diagnosis.

90-day readmission.

Patients with a preoperative psychiatric diagnosis had significantly greater odds of 90-day readmission than patients with no psychiatric diagnosis (OR=1.11, 95% CI=1.06–1.17). Patients who received only medication (OR=1.17, 95% CI=1.09–1.27) or no preoperative mental health treatment (OR=1.13, 95% CI=1.06–1.21) had greater odds of readmission compared with patients with no psychiatric diagnosis. Patients with a psychiatric diagnosis who received only psychotherapy (OR=0.98, 95% CI=0.76–1.28) or who received medication and psychotherapy (OR=1.28, 95% CI=0.89–1.84) did not differ from patients without a psychiatric diagnosis in terms of readmission rates.

Diagnostic Subgroup Analyses

Patients diagnosed as having a substance use disorder had greater odds of experiencing a complication than patients without a psychiatric diagnosis (OR=1.11, 95% CI=1.03–1.20). Compared with patients with no psychiatric diagnosis, patients diagnosed as having a psychotic disorder had an adjusted average LOS that was 10% (range 2%–18%) longer and patients diagnosed as having a depressive disorder an adjusted average LOS that was 5% (range 1%–10%) longer. Patients diagnosed as having posttraumatic stress disorder (OR=1.18, 95% CI=1.05–1.33), depression (OR=1.16, 95% CI=1.06–1.26), or a substance use disorder (OR=1.09, 95% CI=1.01–1.17) had greater odds of 90-day readmission than patients without a psychiatric diagnosis. A preoperative diagnosis of an anxiety disorder or a cognitive or bipolar disorder was not associated with a significant increase in postoperative complications, LOS, or 90-day readmission compared with no preoperative psychiatric diagnosis. Although the association of preoperative mental health treatment on postoperative outcomes may have varied by diagnosis type (see online supplement), given the small sample in some categories (e.g., for most diagnoses, fewer than five individuals received medication and psychotherapy), adjusted models could not be run.

Discussion

Numerous quality-improvement efforts focused on improving surgical care outcomes in the United States are ongoing (2, 3). Although many factors have been identified as being associated with worse postoperative outcomes, few can be modified before surgery. Mental health problems among surgical patients remain understudied, but data suggest that they may represent an underappreciated risk factor for poor postoperative outcomes and that they may be responsive to preoperative treatment, which may, in turn, improve surgical outcomes. In this regard, our work supports two main conclusions. First, preoperative psychiatric diagnoses are a risk factor for worse surgical outcomes, and this risk may depend on the particular psychiatric diagnosis. Specifically, substance use disorders were associated with increased risk for postoperative complications; depression and psychotic disorders were associated with longer LOS; and depressive, posttraumatic stress, and substance use disorders were associated with an increased risk for 90-day readmission. The association of substance use disorders, which were largely accounted for by tobacco use disorders, with postoperative complications and increased readmission rates was not surprising given tobacco’s detrimental effects on immune, cardiac, and respiratory functions important for wound healing (14).
Similarly, depression has long been associated with increased LOS among medical-surgical inpatients (7, 15, 16) and with postoperative readmissions (1618). The association of depression with LOS and readmission is likely due to the systemic effects of depression on neurobiological processes associated with wound healing (e.g., increased inflammation [19, 20] and platelet reactivity [21] and decreased heart rate variability [22]), and because depression is associated with reduced social support (23), which can contribute to poorer postoperative recovery (24). Unlike previous studies focused on elderly surgical patients, which found that LOS is unaffected by psychiatric disorders except for cognitive disorders (25, 26), we did not observe a significant association between cognitive disorders and postoperative outcomes. This finding was likely due to the relatively small portion of the sample with cognitive disorders (0.4%, N=239). Similarly, the lack of statistically significant findings for other preoperative diagnoses (i.e., personality, bipolar, and anxiety disorders) was likely due to the relatively smaller sample sizes for these diagnostic categories. Future research with larger sample sizes may clarify the association of different diagnoses with postoperative outcomes.
Second, the findings of this study suggest that the risk associated with a psychiatric diagnosis may partially depend on preoperative mental health treatment. Specifically, patients who received psychotherapy only during the month before surgery experienced postoperative outcomes similar to those without a psychiatric diagnosis, whereas patients who received no mental health treatment or only psychiatric medication had an increased risk for postoperative complication and readmission compared with those without a psychiatric diagnosis. However, because of the small number of patients with a psychiatric disorder who received preoperative psychotherapy in this cohort (N=308), we cannot draw a firm conclusion from these data about the association of preoperative psychotherapy with postoperative outcomes.
Additionally, patients receiving no mental health treatment or psychiatric medication alone may systematically differ from those engaging in psychotherapy (e.g., those receiving psychiatric medication may have more severe psychiatric symptoms). Indeed, psychiatric symptom severity predicts poorer postoperative outcomes (27), whereas receipt of psychiatric medication is associated with improved postoperative outcomes (28, 29). Future research with a larger sample of participants receiving preoperative mental health care may help clarify these associations. Interestingly, contrary to previous research (25, 26, 30), LOS did not substantially differ between patients with and without psychiatric diagnoses, regardless of preoperative mental health treatment.
Although the findings related to the impact of preoperative mental health care on postoperative outcomes are far from conclusive, observations from previous research suggest that preoperative psychological and psychiatric care are both associated with improved postoperative outcomes. For example, four sessions of cognitive-behavioral therapy before coronary surgery led to a 1-day shorter postoperative LOS compared with usual care for patients with depression (31). Similarly, two sessions of stress management before breast and prostate cancer surgery improved postoperative health-related quality of life (32, 33) and immune functioning critical to wound healing (34, 35), especially for patients with distress (36). A “prehabilitation” program before colorectal surgery, including exercise, nutritional counseling, and psychologist-led relaxation, led to better postoperative walking capacity compared with standard care (37), and effects were particularly strong for patients with anxiety (38). Preoperative counseling and nicotine replacement for 4–8 weeks were associated with fewer complications and shorter LOS for tobacco users undergoing surgery (39, 40). Additionally, proactive psychiatric consultation has been associated with a 1-day shorter LOS among general hospital patients (28, 29). Preoperative mental health care also fits with national calls for integrating psychosocial care into oncology care (41, 42). In summary, the present study’s findings may be considered hypothesis generating, warranting future studies examining the effects of preoperative mental health care (both psychotherapy and psychiatric care), delivered in randomized controlled trials and real-world contexts, on postoperative outcomes.
Although 15% of patients in our cohort had a documented psychiatric diagnosis at the time of surgery, this percentage likely represents an underestimate of the prevalence of mental health problems among surgical patients. For example, in primary care settings, which routinely screen for psychiatric disorders, >60% of patients who met criteria for a psychiatric disorder did not have such disorder documented in their medical record (8, 9). Most patients (76%) with advanced cancer who met criteria for a psychiatric disorder reported that they had not discussed mental health with a medical provider (43), and cancer providers often fail to recognize patients’ mental health needs (44, 45).
Careful screening for mental health concerns during preoperative appointments may help identify patients at risk for postoperative complications and readmissions; moreover, it would fulfill the American College of Surgeons Commission on Cancer’s accreditation requirement to screen for distress at critical junctures in patients’ oncology treatment (41, 46). Increased accuracy in detecting psychiatric diagnoses would likely reveal an even greater impact of mental health on postoperative outcomes. For example, whereas this retrospective study found that psychiatric diagnoses were associated with ORs of 1.09 and 1.11 for complications and readmissions, respectively one prospective study found that preoperative symptoms of depression, anxiety, or substance use disorders were associated with a much greater OR of 3.75 for 30-day readmissions compared with patients without psychiatric symptoms (47).
Effective mental health screening and appropriate follow-up occur more regularly when a mental health provider is embedded, or colocated, in the surgical oncology clinic. Colocation can remove barriers to care, including scheduling, transportation, stigma, and miscommunications. For example, the presence of a proactive psychiatric consultation service doubled the rate of consultations, increased the psychiatric diagnoses detected, and significantly reduced LOS among medical inpatients (28, 29). Although preoperative mental health care is costly, and including a mental health specialist on the treatment team can be challenging, patients (43) and providers have reported the desire for greater integration (48); furthermore, the return on this investment may be substantial in light of the high quality of life and financial cost of in-hospital stays, complications, and readmissions after surgery.
This study has several important limitations. First, the findings related to the association between mental health treatment type and postoperative outcomes should be interpreted with caution because so few patients received psychotherapy with (N=136) or without (N=308) psychiatric medication. Additionally, we found that psychiatric diagnoses were associated with small increases in the risk for complication (OR=1.9), LOS (rate ratio=1.04), and readmission (OR=1.11), independently of covariates. However, even small increases in these outcomes can have serious implications for quality of life and cost.
Moreover, our administrative databases did not capture data on postoperative pain and psychiatric medications prescribed for reasons unrelated to mental health (e.g., tricyclic antidepressant for chronic pain) and did not include postoperative outpatient visits as a potential outcome variable. In addition, these databases did not allow consideration of the severity of psychiatric diagnoses. It therefore is possible that receipt of psychiatric medication may be a proxy for psychiatric disorder severity, which may explain the relatively worse outcomes for patients receiving psychiatric medications. The available data also did not identify the type of substances used by patients with a substance use disorder, which may be particularly informative in this patient population, given that half of the patients in this cohort with a psychiatric diagnosis also had a diagnosis of substance use disorder. Furthermore, substance use disorders included tobacco use disorders, which are known to directly affect postoperative recovery.
Finally, this study focused on a narrow 1-month window before surgery, precluding consideration of previous psychiatric diagnoses or treatments. This study also included data solely from VHA databases. Patients may have accessed mental health or postoperative care outside the VHA. However, a previous study examining both VHA and Medicaid-Medicare data found that most (>90%) VHA patients received postoperative care at a VHA facility (49). Additionally, it is important to examine these associations in a non-VA setting to assess generalizability.

Conclusions

Preoperative mental health represents an important and potentially modifiable risk factor for postoperative outcomes that compromise patients’ quality of life and increase health care costs following CRC surgery. Furthermore, although results of previous research suggest that preoperative psychotherapy shows promise for improving postoperative outcomes, the observations of this study indicate that very few patients receive this form of mental health care. These findings warrant prospective examination of the effect of preoperative psychiatric disorders and treatment on postoperative outcomes.

Footnote

These views represent the opinions of the authors and not necessarily those of the VA, the U.S. government, or Baylor College of Medicine.

Supplementary Material

File (appi.ps.201900559.ds001.pdf)

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Information & Authors

Information

Published In

Go to Psychiatric Services
Go to Psychiatric Services
Psychiatric Services
Pages: 391 - 398
PubMed: 33557593

History

Received: 12 November 2019
Revision received: 27 March 2020
Revision received: 14 July 2020
Accepted: 14 August 2020
Published online: 9 February 2021
Published in print: April 01, 2021

Keywords

  1. Cancer
  2. Behavioral medicine
  3. Colorectal cancer
  4. Postoperative outcomes
  5. Preoperative mental health
  6. Mental health treatment

Authors

Details

Chelsea G. Ratcliff, Ph.D. [email protected]
Department of Psychology, Sam Houston State University, Huntsville, Texas (Ratcliff); Department of Psychiatry and Behavioral Sciences (Ratcliff, Cully), Department of Surgery (Massarweh), and Department of Medicine (Sansgiry, Dindo), Baylor College of Medicine, Houston; Health Policy, Quality, and Informatics Program (Massarweh), Methodology and Analytics Core (Sansgiry), and Behavioral Health Program (Dindo, Cully), U.S. Department of Veterans Affairs (VA) Health Services Research VA Center for Innovations in Quality, Effectiveness, and Safety, Michael E. DeBakey VA Medical Center, Houston; VA South Central Mental Illness Research, Education, and Clinical Center (MIRECC), Houston (Ratcliff, Massarweh, Sansgiry, Dindo, Cully).
Nader N. Massarweh, M.D., F.A.C.S.
Department of Psychology, Sam Houston State University, Huntsville, Texas (Ratcliff); Department of Psychiatry and Behavioral Sciences (Ratcliff, Cully), Department of Surgery (Massarweh), and Department of Medicine (Sansgiry, Dindo), Baylor College of Medicine, Houston; Health Policy, Quality, and Informatics Program (Massarweh), Methodology and Analytics Core (Sansgiry), and Behavioral Health Program (Dindo, Cully), U.S. Department of Veterans Affairs (VA) Health Services Research VA Center for Innovations in Quality, Effectiveness, and Safety, Michael E. DeBakey VA Medical Center, Houston; VA South Central Mental Illness Research, Education, and Clinical Center (MIRECC), Houston (Ratcliff, Massarweh, Sansgiry, Dindo, Cully).
Shubhada Sansgiry, Ph.D.
Department of Psychology, Sam Houston State University, Huntsville, Texas (Ratcliff); Department of Psychiatry and Behavioral Sciences (Ratcliff, Cully), Department of Surgery (Massarweh), and Department of Medicine (Sansgiry, Dindo), Baylor College of Medicine, Houston; Health Policy, Quality, and Informatics Program (Massarweh), Methodology and Analytics Core (Sansgiry), and Behavioral Health Program (Dindo, Cully), U.S. Department of Veterans Affairs (VA) Health Services Research VA Center for Innovations in Quality, Effectiveness, and Safety, Michael E. DeBakey VA Medical Center, Houston; VA South Central Mental Illness Research, Education, and Clinical Center (MIRECC), Houston (Ratcliff, Massarweh, Sansgiry, Dindo, Cully).
Lilian Dindo, Ph.D.
Department of Psychology, Sam Houston State University, Huntsville, Texas (Ratcliff); Department of Psychiatry and Behavioral Sciences (Ratcliff, Cully), Department of Surgery (Massarweh), and Department of Medicine (Sansgiry, Dindo), Baylor College of Medicine, Houston; Health Policy, Quality, and Informatics Program (Massarweh), Methodology and Analytics Core (Sansgiry), and Behavioral Health Program (Dindo, Cully), U.S. Department of Veterans Affairs (VA) Health Services Research VA Center for Innovations in Quality, Effectiveness, and Safety, Michael E. DeBakey VA Medical Center, Houston; VA South Central Mental Illness Research, Education, and Clinical Center (MIRECC), Houston (Ratcliff, Massarweh, Sansgiry, Dindo, Cully).
Jeffrey A. Cully, Ph.D.
Department of Psychology, Sam Houston State University, Huntsville, Texas (Ratcliff); Department of Psychiatry and Behavioral Sciences (Ratcliff, Cully), Department of Surgery (Massarweh), and Department of Medicine (Sansgiry, Dindo), Baylor College of Medicine, Houston; Health Policy, Quality, and Informatics Program (Massarweh), Methodology and Analytics Core (Sansgiry), and Behavioral Health Program (Dindo, Cully), U.S. Department of Veterans Affairs (VA) Health Services Research VA Center for Innovations in Quality, Effectiveness, and Safety, Michael E. DeBakey VA Medical Center, Houston; VA South Central Mental Illness Research, Education, and Clinical Center (MIRECC), Houston (Ratcliff, Massarweh, Sansgiry, Dindo, Cully).

Notes

Send correspondence to Dr. Ratcliff ([email protected]).
This study was presented in part at the 13th Annual Academic Surgical Congress, January 30–February 1, 2018, Jacksonville, Florida.

Competing Interests

The authors report no financial relationships with commercial interests.

Funding Information

This research was supported by the Office of Academic Affiliations, VA Advanced Fellowship Program in Mental Illness Research and Treatment and by the VA South Central MIRECC. This study was also partly supported by the MIRECC Methods, Implementation, and Design Support group and by resources and facilities of the VA Center for Innovations in Quality, Effectiveness, and Safety (Center of Innovation no. 13-413), Michael E. DeBakey VA Medical Center, Houston.

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