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Published Online: 27 October 2014

Screening and Intervention for Comorbid Substance Disorders, PTSD, Depression, and Suicide: A Trauma Center Survey

Abstract

Objective

Few investigations have examined screening and intervention procedures for comorbid substance use and mental disorders at trauma centers in the United States, although these disorders are endemic among survivors of traumatic injury. In 2006, the American College of Surgeons (ACS) mandated that level I and level II trauma centers screen for alcohol use problems and that level I centers provide brief intervention for those who screen positive. The ACS is expected to recommend best practice policy guidelines for screening for drug use problems and posttraumatic stress disorder (PTSD). This study examined screening and intervention procedures for the full spectrum of comorbid mental and substance use disorders at U.S. trauma centers.

Methods

Respondents at all level I and level II trauma centers (N=518) in the United States were asked to complete a survey describing screening and intervention procedures for alcohol and drug use problems, suicidality, depression, and PTSD.

Results

There were 391 (75%) respondents. Over 80% of trauma centers routinely screened for alcohol and drug use problems. Routine screening and intervention for suicidality, depression, and PTSD were markedly less common; in fact, only 7% of centers reported routine screening for PTSD. Consistent with ACS policy, level I centers were significantly more likely than level II centers to provide alcohol intervention.

Conclusions

Alcohol screening and intervention occurred frequently at U.S. trauma centers and appeared to be responsive to ACS mandates. In the future, efforts to orchestrate clinical investigation and policy could enhance screening and intervention procedures for highly prevalent, comorbid mental disorders.
The integration of screening and intervention services for mental and substance use disorders within general medical settings is increasingly viewed as an important goal (13). To date, a majority of investigation and commentary regarding integration has been devoted to the development of services for treatment of mental and substance use disorders in primary care medical settings (18).
Patients presenting to acute care medical emergency departments and trauma centers have high rates of comorbid mental and substance use disorders (913). Soderstrom and colleagues (10) reported that 54% of injured inpatients had one or more current or lifetime diagnoses of alcohol or drug abuse or dependence. Between 20% and 40% of individuals who were treated at an acute care medical trauma center for a traumatic injury experienced posttraumatic stress disorder (PTSD) and depression during the year after admission (9,12,14). More recent investigation suggests that rates of occult suicidal ideation among trauma center patients who survive injury may exceed suicidal ideation among patients with self-inflicted injuries (1519). In acute care medical settings, mental and substance use disorders have a negative impact on key functional outcomes and health service utilization (20,21).
In 2006, in response to a series of investigations establishing the efficacy and effectiveness of alcohol screening and brief intervention for injured patients, the American College of Surgeons (ACS) mandated alcohol screening and brief-intervention services at U.S. trauma centers (22). Level I trauma centers are required to have a mechanism both to screen for alcohol use problems among injured patients and to intervene if a problem is discovered. Level II trauma centers are currently required to screen for alcohol use problems but are not required to intervene.
Terrell and others (23) found that alcohol screening was fairly routine at level I trauma centers before the mandate’s implementation, with about 70% conducting a blood screen, but that only about 40% of the centers used evidence-based interventions after a positive screen. A literature review, however, revealed no investigations that had reassessed alcohol screening practices at level I or II trauma centers since implementation of the nationwide mandate. Some research has considered the benefits of expansion of screening and intervention at trauma centers to other comorbid conditions such as PTSD (24,25). Despite the high prevalence and frequent comorbid presentations of alcohol and drug use disorders with PTSD, depression, and associated suicidal ideation, however, the literature review revealed few comprehensive assessments of current screening and intervention procedures at acute care medical trauma centers (26).
This investigation aimed to assess current screening and intervention practices for alcohol use disorders and related comorbid disorders, such as drug abuse and dependence, PTSD, depression, and associated suicidal ideation at level I and level II trauma centers in the United States. The investigation hypothesized that level I trauma centers would have greater penetration of and enhanced procedures for alcohol screening and intervention compared with level II trauma centers. Exploratory analyses assessed whether any service delivery enhancements observed at level I trauma centers extended to other mental and substance use disorders.

Methods

Development of the survey

A questionnaire was developed to assess screening and intervention practices related to alcohol and drug use problems, PTSD, depression, and suicide at level I and II trauma centers. Selected items were adapted from an instrument developed previously by the investigative group to assess nationwide alcohol screening and brief intervention practices (23). For each presenting problem, the investigation assessed screening practices and the percentage of injured patients screened. The investigation also assessed hospital-based intervention and referral practices, including the nature and extent of an existing hospital-based intervention, the providers involved in an established intervention, and types of referral and staffing practices in place.

Participants

Between August 2011 and July 2012, all level I and II trauma centers (N=518) in the United States were identified through the ACS list of verified trauma programs, the American Trauma Society’s Trauma Information Exchange Program, and other Web-based searches (23,27,28). Information on hospital accreditation, academic affiliation, and number of beds were obtained from the American Hospital Directory and through a review of individual hospitals’ Web pages. Combined, these public data sources were utilized to identify potential trauma program survey responders.
Because the survey aimed to assess protocols for psychosocial screening at the organizational level, trauma center staff, such as trauma program coordinators, were identified for contact. The trauma center staff identified at each trauma center were sent an initial e-mail introducing the survey and inviting them to participate. If the contacted staff member did not complete the survey or did not decline to participate within one week, the study team followed up with two more reminder e-mails. If there was still no response after three e-mails, a research assistant from the study team made three attempts to contact the trauma center staff member by phone to recruit them to the survey. If after three phone calls there was no success, the study team discontinued efforts to contact a site unless a new contact was identified, usually after the study team discovered that the trauma center staff member identified earlier no longer worked at the site or had switched departments or roles.
The University of Washington Institutional Review Board approved all study procedures prior to protocol implementation. After complete description of the study to the participants, informed consent was obtained. Providers were reimbursed $30 after completion of the questionnaire.

Data analyses

We first examined the frequencies and distributions of organizational characteristics of all U.S. level I and level II trauma centers, including verification by the ACS, geographic location (region of the country and rural status), teaching status (teaching hospital status, membership in council of teaching hospitals, and number of interns and residents), population served (adult, pediatric, or combined), and number of hospital beds and injury admissions per year. We then used chi square tests, t tests, and Fisher’s exact tests to compare the characteristics of responding and nonresponding sites. Next, we compared descriptive characteristics of screening and intervention programs at level I and level II trauma center sites.
Multivariate logistic regression models were run to compare differences in screening and intervention procedures at level I and level II trauma centers after adjustment for organizational characteristics. The models included trauma center level as well as organizational characteristics as independent variables.

Results

A total of 391 (75%) level I and II trauma centers responded to the survey; 18 trauma centers could not be contacted, 35 refused to participate, and 74 did not complete the survey. Responding and nonresponding trauma centers were similar, except responding centers were more likely to be from the Midwest and nonresponding centers were more likely to be from the Northeast (Table 1). The respondents were predominantly female (N=319, 82%) and from nursing backgrounds (N=362, 93%); 357 (91%) self-identified as Caucasian, 14 (4%) as Hispanic, 7 (2%) as Asian, 6 (2%) as African American, and 2 (1%) as American Indian.
Table 1 Organizational characteristics of 518 trauma centers, by survey response
 Survey response 
 Yes(N=391)No(N=127) 
CharacteristicN%N%p
Level    .28
 I (N=221)172444939 
 II (N=297)219567861 
ACS accrediteda184474939.18
Region    <.05
 Midwest156403729 
 South or Southeast44111915 
 Northeast86224132 
 West90232923 
 Central15411 
Rural68172621.43
Population served    .91
 Adult275709272 
 Adult and pediatric85222520 
 Pediatric29797 
 Missing data2111 
Teaching hospital274707962.18
CTH memberb161414737.50
University affiliation3198210280.77
Interns and residents (M±SD)173±219240±355.08
Hospital beds (M±SD)460±265474±318.66
Inpatient admissions (M±SD)22,615±12,01120,031±11,986.05
a
ACS, American College of Surgeons
b
CTH, Council of Teaching Hospitals
Overall, greater than 80% of level I and II trauma centers routinely screened for alcohol and drug use problems. Over 90% of trauma centers routinely screened for alcohol with either a laboratory test or a questionnaire (Table 2). For centers using laboratory tests to screen for alcohol, blood or serum alcohol concentration was the test used by the most centers (N=304, 78%), followed by urine screens (N=141, 36%). All other methods were used by less than 10% of centers. For centers that used questionnaires to screen for alcohol use problems, the CAGE questionnaire was endorsed by the most centers (N=142, 36%), and no other screen, including the Alcohol Use Disorders Identification Test, was used by more than 10% of the centers.
Table 2 Screening and use of formal consults for alcohol and drug use problems at 172 level 1 and 219 level II trauma centers
 Alcohol useDrug use
VariableTotalLevel ILevel II TotalLevel ILevel II 
N%N%N%pN%N%N%p
Routine screening              
 Labs314801287418685<.05297761196917881<.05
 Questionnaire265681327713361<.051253260356530.27
 Lab or questionnaire367941589220995.14325831378018886.10
Patients screened at each trauma center              
 Labs      .87      .37
  Median %62.5 62 65  60 60 60  
  Interquartile range46 50 45  58 50 65  
 Questionnaire      .08      .33
  Median %80 75 90  75 80 74  
  Interquartile range50 67 50  79 69 97  
 Received intervention      .44      .21
  Median %90 90 88  90 90 75  
  Interquartile range50 40 50  71 40 80  
Element of formal consult              
 Further psychosocial assessment250641186913260.0922056995812155.65
 Evidence-based bedside counselinga19049110648037<.051473881476630<.05
 Treatment referral279711267315370.46231591116512055.05
 Any intervention326831559017178<.05280721277415370.39
a
Includes motivational interviewing
When injured patients screened positive for alcohol on a laboratory test or questionnaire, according to the respondents, 4% (N=14) of the centers did nothing, 45% (N=177) had an informal discussion with the patient, and 48% (N=187) had a formal consult with the patient performed by a hospital staff member specially trained in the topic. The respondents (N=261, 67%) reported that the consult was most frequently conducted by a social worker, followed by a registered nurse (N=81, 21%) and a chemical dependency counselor (N=81, 21%). When screening for alcohol use problems, some sites also assessed for concurrent psychosocial problems or issues (64%); used evidence-based counseling techniques, such as motivational interviewing (49%); and reported referring patients to specialized alcohol treatment services (71%). A total of 83 (21%) respondents reported that the center had dedicated staff support for conducting alcohol screening and brief-intervention services.
Eighty-three percent of trauma centers reported routine screening for drugs of abuse (Table 2). For centers that used labs to screen for drugs, blood or serum drug concentration was used by the most centers (N=205, 52%), followed by urine screens (N=160, 41%). All other methods were used by less than 10% of centers. Among centers that used questionnaires to screen for drug use, no single questionnaire was used by more than 10% of centers. When patients screened positive for drugs on a laboratory test or questionnaire, according to respondents, 9% (N=35) of centers did nothing, 36% (N=142) had an informal discussion with patients, and 35% (N=138) conducted a formal consult for the patients. Most respondents (N=245, 63%) said these consults were most often conducted by social workers, followed by chemical dependency counselors (N=86, 22%), psychiatrists (N=63, 16%), nurses (N=54, 14%), and psychologists (N=42, 11%). Most respondents (N=319, 82%) said that the same person who was called to consult for alcohol use problems was also called for consultation for drug use problems. Formal consultations for drug use included further psychosocial assessment, according to 56% of respondents, evidence-based counseling techniques (38%), and referral to specialized drug abuse services (59%). A total of 70 (18%) respondents reported that the center had dedicated staff support for conducting drug screening and intervention.
Table 3 presents screening and intervention rates for suicide, depression, and PTSD. A total of 192 (49%) respondents reported that the trauma center screened for suicide. No single questionnaire was consistently reported as the instrument used for suicide screening. In the event that an intervention consult was called for a suicidal patient, the consult was performed by a psychiatrist, according to 190 (49%) respondents, social worker (N=104, 27%), or psychologist (N=86, 22%); all other types of staff member were reported by less than 10% of respondents. Twenty-eight percent (N=111) of respondents reported that the same person who did the consult for alcohol use problems also did the consult for suicide, and 47% (N=183) reported that the person who did the consult for suicide also consulted for PTSD and depression.
Table 3 Screening and use of formal consults for suicide, depression, and PTSD at 172 level 1 and 219 level II trauma centers
 SuicideDepressionPTSD
VariableN%pN%pN%p
Routine screening  <.05  <.05  .77
 Level I7443 3118 127 
 Level II11854 6027 178 
Patients screened at each center  .56  .79  .22
 Level I         
  Median %100  92.5  60  
  Interquartile range40  80  55  
 Level II         
  Median %100  95  50  
  Interquartile range10  50  85  
Patients received formal consult         
 Medication  .97  .37  .10
  Level I10159 9254 6337 
  Level II12959 12758 6329 
 Bedside counseling  .44  .70  <.05
  Level I9756 8952 7544 
  Level II13260 10950 7333 
 Evidence-based therapy  .65  .59  <.05
  Level I7342 6136 4929 
  Level II9845 7233 4018 
 Any intervention  .07  .41  .5
  Level I11265 10762 9052 
  Level II16174 14566 10749 
Twenty-three percent (N=91) of trauma centers screened for depression. No single questionnaire was consistently reported as the instrument used for depression screening. In the event that a consult was called for a depressed patient, the consult was the responsibility of a psychiatrist, according to 151 (39%) respondents, a social worker (N=100, 26%), or a psychologist (N=83, 21%); all other types of staff member were reported by less than 10% of respondents. A total of 94 (24%) respondents reported that the person who performed a consult for alcohol use problems also did the consult for depression, and 165 (42%) reported that the person who performed the consult for depression also did the consult for comorbid problems, such as PTSD.
Only 7% (N=29) of trauma centers screened for PTSD. In the event that a consult was called for a patient with PTSD, the consult was performed by a social worker, according to 97 (25%) respondents, a psychiatrist (N=94, 24%), or a psychologist (N=58, 15%); all other types of staff member were reported by less than 10% of respondents.
After adjustments for organizational characteristics, the multivariate logistic regression analyses indicated that level I trauma centers were significantly more likely than level II centers to use questionnaire-based screening procedures and to have an intervention available for alcohol use problems. Level I centers were also significantly more likely to have evidence-based bedside counseling available for alcohol and drug use problems. Level I centers were significantly more likely to provide bedside counseling and evidence-based therapy for PTSD. In contrast, level II trauma centers were more likely to use a laboratory test to screen for either alcohol or drug use problems and were more likely to routinely screen for depression.

Discussion

Each year, millions of Americans present to acute care medical settings after incurring traumatic physical injuries. Injured trauma survivors present with multiple comorbid mental health and substance use problems. Level I and II trauma centers are required by the ACS to provide the highest-quality injury care (22). The ACS has mandated that level I and II centers screen for alcohol use problems and that level I centers have the capacity to provide an intervention for patients who screen positive.
A literature review suggested that this is the first investigation to assess the impact of the mandate on screening and intervention practices at level I and II trauma centers in the United States. The results of this survey, which included responses from 75% of trauma centers, indicate that the mandate appears to have influenced the care that injured patients receive for alcohol use problems. Prior to the mandate, 79% of trauma centers reported screening patients for alcohol use problems through either a laboratory test or questionnaire (23). Now, over 90% of level I and II trauma centers screen patients for alcohol use problems through either a laboratory test or questionnaire. Nearly 65% of level I trauma centers conduct some sort of evidence-based intervention, compared with a rate of 41% prior to the mandate’s implementation (23).
As required by the mandate, level I centers appear to be significantly more likely to provide interventions for alcohol use problems. Given the increasing body of evidence suggesting the effectiveness of alcohol screening and brief intervention at trauma centers, a next logical step could be to expand the mandate to require both screening and intervention at level II centers.
With regard to screening for drugs of abuse, the investigation found overall high rates of screening nationally. Surprisingly, level II centers appeared to screen for drugs more frequently than level I centers. This high rate of screening for drugs at both level I and II trauma centers may be attributed to the observation that mandated alcohol screening through either laboratory testing or questionnaires is already taking place. It appears, however, that fewer level I and II sites provide interventions for patients who screen positive for drugs than for patients with alcohol problems.
The investigation documented markedly lower frequencies of systematic screening and intervention procedures for suicidality, depression, and PTSD than for substance use disorders. Of particular note, only 7% of level I and II trauma centers routinely screen for PTSD. Previous studies have demonstrated the effectiveness of PTSD screening and intervention at trauma centers (25,29). By adopting population-based, automated screening procedures for PTSD, trauma centers could make screening for PTSD more efficient, making it possible to reach more people and to have a greater overall impact on the population (3032). These methods could be honed to enhance screening rates for the full spectrum of comorbid mental illnesses, including depression. Finally, the decision by the ACS to mandate screening and intervention procedures offers a modicum of stability in an otherwise markedly fluctuating U.S. health care system.
This investigation had limitations. Trauma program coordinators were contacted to complete the questionnaire because they were believed to have a comprehensive knowledge of their trauma centers’ screening and intervention practices. It could be that at some sites, other individuals were more knowledgeable about use of screening and intervention procedures for mental and substance use disorders. Also, although the screening and intervention practices described in this article may be temporally associated with policy recommendations by the ACS, the study cannot rule out the possibility that multiple other factors contributed to changes in trauma center screening and intervention practices that occurred since implementation of the mandate.

Conclusions

Integration of treatment for comorbid mental health and substance use problems at U.S. trauma care systems has advanced considerably over the past decade. The ACS has influenced the movement toward integration with mandates for alcohol screening and brief intervention. The results of this investigation documented that alcohol screening and intervention occur frequently at U.S. trauma centers, apparently in response to ACS policy mandates. In the future, efforts to orchestrate clinical investigation and policy could enhance screening and intervention procedures for highly prevalent, comorbid disorders, such as PTSD, depression, and suicidality.

Acknowledgments and disclosures

This work was supported by grants R01 AA016102-01 from the National Institute on Alcohol Abuse and Alcoholism and K24MH086814-01 from the National Institute of Mental Health. The authors thank Joan Russo, Ph.D., and Jin Wang, Ph.D., for assisting in the data analyses and Leiszle Lapping-Carr, B.A., for assisting in the coordination of the survey.
The authors report no competing interests.

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Information & Authors

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Go to Psychiatric Services
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Cover: The Nation Makers, by Howard Pyle 1903. Oil on canvas. Collection Brandywine River Museum of Art, purchased through a grant from the Mabel Pew Myrin Trust, 1984.

Psychiatric Services
Pages: 918 - 923
PubMed: 24733143

History

Published in print: July 2014
Published online: 27 October 2014

Authors

Details

Jeff Love, B.A.
The authors are with the Department of Psychiatry and Behavioral Sciences, Harborview Medical Center, University of Washington, Seattle. Send correspondence to Dr. Zatzick (e-mail: [email protected]). A preliminary version of this paper was presented at the annual meeting of the American Psychiatric Association, San Francisco, May 18–22, 2013.
Douglas Zatzick, M.D.
The authors are with the Department of Psychiatry and Behavioral Sciences, Harborview Medical Center, University of Washington, Seattle. Send correspondence to Dr. Zatzick (e-mail: [email protected]). A preliminary version of this paper was presented at the annual meeting of the American Psychiatric Association, San Francisco, May 18–22, 2013.

Funding Information

National Institute of Mental Health10.13039/100000025: K24MH086814-01
National Institute on Alcohol Abuse and Alcoholism10.13039/100000027: R01 AA016102-01

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