Victims of Crime Recovery Program Decreases Risk for New Mental
Natasha M. Simske, Trenton Rivera, Bryan O. Ren, Alex Benedick, Megen Simpson, Sarah B. Hendrickson, Heather A. Vallier
MetroHealth System, affiliated with Case Western Reserve University, Cleveland, OH, USA
Abstract
Mental illness is pervasive among trauma populations and is linked to worse outcomes and recidivism. The Victims of Crime Advocacy and Recovery Program (VOCARP) prospectively provides patient services such as educational materials, compensation, advocacy and mental health care to patients with physical injuries. The purpose was to assess for relationship between resource use and development of mental illness after injury. Two control groups: a random selection of patients who did not use VOCARP (n=212) and 201 patients with non-violent trauma were obtained. Over 22 months 1,019 patients utilized VOCARP. Of all 1,432 patients, 43% had preexisting mental illness, and 17% had a new or worsening mental illness after injury. Patients with VOCARP use had more preexisting mental illness (47% vs. 35%, p<0.01), particularly depression and stress disorders. Conversely, VOCARP use was associated with lower rates of mental illness post-injury (15% vs. 22%). Following injury, VOCARP users had more stress disorders (57% vs. 37%), but less depression (25% vs. 41%) and suicidal ideation (7% vs. 24%), all p<0.05. 113 patients (11% of 1,019) used mental health services, which was associated with lower recidivism for new violent injury (4.4% vs. 11.7%, p=0.016). On regression analysis, unemployment (OR: 0.61, p=0.012) and use of VOCARP services (OR: 0.54, p=0.008) were predictive of decreased risk for new mental illness. Mental illness is pervasive among patients with injuries resulting from violence. VOCARP programming appears beneficial for limiting risk of new mental illness after injury.
Introduction
Preexisting mental illness and psychiatric sequelae following traumatic injury have significant influence on recovery thereafter. Recently, rates of mental illness among trauma patient populations have become better established and are reportedly as high as 45%1-8. Among patients with injuries resulting from violence, rates of mental illness may be more severe. In one meta-analysis of 16 papers reporting rates of psychiatric illness after violent trauma, Ophuis et al. reported that posttraumatic stress disorder (PTSD) rates were as high as 61% at 1-month post-injury9. Accordingly, some studies have indicated that violent injury and interpersonal trauma are major risk-factors for developing PTSD10-12.
To address poor outcomes and high rates of recidivism following violence-related injury, over 30 institutions in the U.S. and Canada have established hospital-based violence intervention programs13. Despite a plethora of programs, examination of program efficacy has been limited to recidivism rates, cost-effectiveness, and subsequent rates of arrest and/or conviction within the criminal justice system14-26. Among these programs, two institutions have attempted to assess the prevalence of PTSD among participants in their violence intervention programs, with rates from 66-75%27,28, and only two centers have explicitly ascertained use of psychiatric services as a component of their program analysis14,26. Given the inadequate study of mental illness in relation to violent injury and intervention programs, further evaluation is necessary.
In March of 2017, our urban level 1 trauma center began offering resources for patients and families impacted by violence-related traumatic injury. The Victims of Crime Advocacy and Recovery Program (VOCARP) connects eligible patients with resources for education, financial compensation, referrals to internal and community-based resources, advocacy, legal consultation, and mental health resources. The purposes of this present study are to report the prevalence of mental illness among our violently injured population both before and after injury, and to evaluate the effects of utilizing VOCARP services on outcomes after violence-related traumatic injury.
Materials and Methods
Program Overview
Establishment of VOCARP at our urban level 1 trauma center was funded by the State of Ohio Office of Victims of Crime and the Ohio Attorney General’s office, which are support by federal funds received by the U.S. Department of Justice. The VOCARP program utilizes a team of social workers to identify patients sustaining violence-related trauma within our hospital system. Eligible patients are then offered a variety of resources including educational materials regarding victim rights, financial compensation, referrals to external and/or internal services, assistance with transportation, relocation or childcare, crisis interventions, victim advocacy, mental health resources and legal aid.
Patient Identification
Resources provided to patients sustaining violence-related injuries were offered by a dedicated team of five social workers. The social work team was available any time of day during the week to meet with patients. Eligible patients were identified using emergency department (ED) intake lists and from inpatient trauma and intensive care unit patient lists. Referrals for VOCARP services could also be made directly by providers within the hospital system. Subsequently, patients were approached in the ED, during admission, and at outpatient clinic visits. Here, they were provided with program information and offered available program services. Patients of all ages and all mechanisms of injury (secondary to intentional violent injury) were eligible. Given that this programming represented a change in standard of care within the hospital system, there were no exclusion criteria aside from violence-related mechanism of injury. If qualified patients or staff were unavailable during these times to successfully approach such patients, they were offered services via phone call.
Variables of Interest
Patients who utilized resources were prospectively collected from March of 2017 until December of 2018 and, electronic medical records were queried retrospectively for additional information related to demographics, medical comorbidities, and injury characteristics. Baseline information such as age, sex, race, ethnicity, marital status, current employment, and insurance carrier were documented. Mechanisms of injury (MOI) were also recorded and grouped into the following categories: gunshot wounds (GSWs), stab wounds, physical assault, sexual assault, domestic violence, human or animal bite wounds, motor vehicle and motorcycle collisions, and vehicular assault (including pedestrians struck or thrown from moving vehicles). Mechanisms unable to be encompassed by these categories were listed as “other” (n=21). Patient’s psychiatric history was likewise collected based on the past medical history listed at initial presentation of injury and/or within the electronic medical record active problem list at time of injury. New mental illness after injury was defined as a novel condition or an exacerbation of a previous diagnosis. This was recorded using provider electronic medical record notes (e.g. in primary care, behavioral health or psychiatric care settings) which specifically established the new diagnoses or exacerbation of previous diagnoses as sequelae of the violence-related traumatic injury. Collection of this information was done retrospectively. Therefore, there were no specific parameters established for use of a specific questionnaire or structured interview to make a new mental health diagnosis. The diagnosis and treatment of new mental health conditions was at the discretion of the treating providers. If patients had a preexisting mental illness prior to injury without any documented exacerbation during or after recovery, they were recorded as having no new mental illness after injury.
Statistical Analysis
A random selection of 212 patients who did not use VOCARP resources during the study period (March 2017 – December 2018) and of 201 non-violence related trauma patients who were admitted during the same timeframe were gathered and represented the two control groups. Univariate analyses were conducted between patients who utilized VOCARP programming and those who did not. Independent sample t tests were utilized for continuous variables and all data was expressed as average with standard deviation (SD). Chi-squared or Fischer exact tests were employed for categorical variables where appropriate given sample size. Multiple logistic regression analysis was performed to identify independent predictors of new mental illness. Variables included in analysis include age, sex, race, ethnicity, marital status, employment, insurance, mechanism of injury, hospital length of stay, mental illness (previous history), prior traumatic injury (violent or non-violent), complications, additional operations and use of VOCARP services. Analysis was performed using SPSS v. 25 software (SPSS Inc., Chicago, Illinois). Results were expressed with use of odds ratio (OR) and p<0.05 indicated statistical significance in all cases.
Results
Over the 22-month study, 4,456 patients sustained violence-related traumatic injuries, with 2,717 patients (61%) determined to be victims of crime. 1,019 patients (23% of 4,456) utilized VOCARP resources. Compared to the randomly selected sample of 212 patients without VOCARP service use, those who used resources were more frequently male (56% vs. 71%) and less often married (12% vs. 41%), both p<0.001, but were similar in terms of age, race, and ethnicity. Although patients did not differ in rates of employment, those who used VOCARP resources were more likely to be unemployed (63% vs. 51%, p<0.01), secondary to fewer retired patients and students. Accordingly, patients who used VOCARP programming had higher rates of no health insurance (16% vs. 8%, p<0.01). Patients with resource use also differed in terms of certain mechanisms of injury; they had fewer GSWs (26% vs. 37%) and sexual assaults (4% vs. 8%), both p<0.05. See Table 1 for additional detail.
Table 1:Demographics, mechanism of injury and hospital course stratified by non-violent traumatic injury versus violence-related traumatic injury (with and without service use)
|
All Patients (N=1,432) |
VOC Service Use? |
Non-violent Trauma Control Group (N=201) |
P-value* |
|
Yes (N=1,019) |
No (N=212) |
||||
Age (years) ± SD |
36.6 ± 15.5 |
34.4 ± 13.7 |
36.2 ± 14.4 |
48.4 ± 19.5 |
0.085 |
Male |
838 (58.5%) |
567 (55.6%) |
150 (70.8%) |
121 (60.2%) |
<0.001 |
Race |
|
|
|
|
|
Caucasian |
606 (42.4%) |
378 (37.1%) |
78 (37.0%) |
150 (74.6%) |
1.00 |
African American |
714 (49.9%) |
553 (54.3%) |
119 (56.4%) |
42 (20.9%) |
0.65 |
Other |
111 (7.8%) |
88 (8.6%) |
14 (6.6%) |
9 (4.5%) |
0.41 |
Ethnicity |
|
|
|
|
|
Non-Hispanic |
1313 (91.7%) |
926 (90.9%) |
193 (91.0%) |
194 (96.5%) |
1.00 |
Hispanic |
119 (8.3%) |
93 (9.1%) |
19 (9.0%) |
7 (3.5%) |
1.00 |
Marital Status |
|
|
|
|
|
Single |
1013 (70.7%) |
800 (78.5%) |
107 (50.5%) |
106 (52.7%) |
<0.001 |
Married/Significant Other |
267 (18.7%) |
119 (11.7%) |
86 (40.6%) |
62 (30.9%) |
<0.001 |
Divorced |
125 (8.7%) |
86 (8.4%) |
15 (7.1%) |
24 (11.9%) |
0.58 |
Widowed |
27 (1.9%) |
14 (1.4%) |
4 (1.9%) |
9 (4.5%) |
0.53 |
Employment |
|
|
|
|
|
Employed |
506 (35.4%) |
356 (35.0%) |
75 (35.4%) |
75 (37.3%) |
0.94 |
Unemployed |
820 (57.4%) |
638 (62.8%) |
107 (50.5%) |
75 (37.3%) |
0.0012 |
Retired |
62 (4.3%) |
8 (0.8%) |
8 (3.8%) |
46 (22.9%) |
0.0025 |
Student |
41 (2.9%) |
14 (1.4%) |
22 (10.4%) |
5 (2.5%) |
<0.001 |
Insurance |
|
|
|
|
|
Medicaid |
913 (64.1%) |
687 (67.4%) |
152 (74.2%) |
74 (36.8%) |
0.26 |
Medicare |
98 (6.9%) |
48 (4.7%) |
9 (4.4%) |
41 (20.4%) |
0.86 |
BWC |
39 (2.7%) |
25 (2.5%) |
0 (0%) |
14 (7.0%) |
0.014 |
Uninsured |
187 (13.1%) |
158 (15.5%) |
17 (8.3%) |
12 (6.0%) |
0.0034 |
Commercial |
63 (4.4%) |
36 (3.5%) |
9 (4.4%) |
18 (9.0%) |
0.55 |
Managed Care |
125 (8.8%) |
65 (6.4%) |
18 (8.8%) |
42 (20.9%) |
0.29 |
Mechanism of Injury1 |
|
|
|
|
|
GSW |
343 (27.9%) |
265 (26.0%) |
78 (36.8%) |
- |
0.002 |
Stabbing |
78 (6.3%) |
63 (6.2%) |
15 (7.1%) |
- |
0.64 |
Physical Assault |
544 (44.2%) |
460 (45.1%) |
84 (39.6%) |
- |
0.15 |
Sexual Assault |
59 (4.8%) |
42 (4.1%) |
17 (8.0%) |
- |
0.021 |
Domestic Violence |
91 (7.4%) |
79 (7.8%) |
12 (5.7%) |
- |
0.39 |
Human/Animal Bite |
20 1.6%) |
20 (2.0%) |
0 (0%) |
- |
0.035 |
MVC/MCC |
27 (2.2%) |
27 (2.7%) |
0 (0%) |
- |
0.009 |
Vehicular Assault |
48 (3.9%) |
44 (4.3%) |
4 (1.9%) |
- |
0.12 |
Other |
21 (1.7%) |
19 (1.9%) |
2 (0.9%) |
- |
0.56 |
Hospital LOS (days) |
3.6 ± 9.4 |
3.7 ± 10.1 |
3.4 ± 6.2 |
- |
0.68 |
*P-values represent univariate statistical comparisons between VOCARP service users and non-users 1Mechanism of injury does not include the additional non-violent trauma control group. VOCARP: Victims of Crime Advocacy and Recovery Program; SD: standard deviation; BWC: bureau of workers compensation. GSW: gunshot wound; MVC: motor vehicle collision; MCC: motorcycle collision; LOS: length of stay.
At the time of injury, 609 (42.5%) of all 1,432 patients had a preexisting mental illness. Patients with VOCARP use had more associated preexisting mental illness (47% vs. 35%, p=0.0014). The most common diagnoses were depressive disorders (n=429, 70%), anxiety disorders (n=257, 42%), and bipolar disorders (n=131, 22%). Rates of depressive disorders (72% vs. 62%) and stress disorders, such as posttraumatic stress disorder (PTSD), acute stress disorder (ASD) and adjustment disorder (21% vs. 12%) were both more prevalent among VOCARP patients, but this did not reach statistical significance (p=0.07 and 0.08, respectively). However, suicidal ideation or attempted suicide prior to injury was significantly lower among patients with VOCARP service use (8% vs. 22%, p<0.001). See Table 2 for further information.
Table 2:Positive history of mental illness stratified by non-violent traumatic injury versus violence-related traumatic injury (with and without service use).
|
All Patients (N=1,432) |
VOC Service Use? |
Non-violent Trauma Control Group (N=201) |
P-value* |
|
Yes (N=1,019) |
No (N=212) |
||||
Pre-existing Mental Illness |
|
|
|
|
|
Yes |
609 (42.5%) |
479 (47.0%) |
74 (34.9%) |
56 (27.9%) |
0.0014 |
|
|
|
|
|
|
Mental Illness Diagnoses |
|
|
|
|
|
Depression/Mood Disorder |
429 (70.4%) |
347 (72.4%) |
46 (62.2%) |
36 (64.3%) |
0.07 |
Anxiety Disorder |
257 (42.2%) |
207 (43.2%) |
21 (28.4%) |
29 (51.8%) |
0.10 |
Bipolar Disorder |
131 (21.5%) |
112 (23.4%) |
14 (18.9%) |
5 (8.9%) |
0.46 |
Stress Disorder (PTSD, ASD, or Adjustment Disorder) |
115 (18.9%) |
100 (20.9%) |
9 (12.2%) |
6 (10.7%) |
0.08 |
Schizophrenia |
69 (11.3%) |
61 (12.7%) |
8 (10.8%) |
0 (0%) |
0.85 |
Panic Disorder |
33 (5.4%) |
32 (6.7%) |
1 (1.4%) |
0 (0%) |
0.11 |
Suicidal ideation |
62 (10.2%) |
40 (8.4%) |
16 (21.6%) |
6 (10.7%) |
<0.001 |
Personality Disorder |
12 (2%) |
8 (1.7%) |
2 (2.7%) |
2 (3.6%) |
0.63 |
Agoraphobia |
5 (0.8%) |
5 (1.0%) |
0 (0%) |
0 (0%) |
1.00 |
Obsessive Compulsive Disorder |
6 (1.0%) |
4 (0.8%) |
2 (2.7%) |
0 (0%) |
0.19 |
Oppositional Defiant Disorder |
11 (1.8%) |
8 (1.7%) |
3 (4.1%) |
0 (0%) |
0.17 |
Gender Identity Disorder |
2 (0.3%) |
2 (0.4%) |
0 (0%) |
0 (0%) |
1.00 |
Conversion Disorder |
1 (0.2%) |
1 (0.2%) |
0 (0%) |
0 (0%) |
1.00 |
Eating Disorder |
1 (0.2%) |
1 (0.2%) |
0 (0%) |
0 (0%) |
1.00 |
Intermittent Explosive Disorder |
2 (0.3%) |
1 (0.2%) |
0 (0%) |
1 (1.8%) |
1.00 |
Dissociative Disorder |
1 (0.2%) |
1 (0.2%) |
0 (0%) |
0 (0%) |
1.00 |
Multiple Personality Disorder |
1 (0.2%) |
1 (0.2%) |
0 (0%) |
0 (0%) |
1.00 |
*P-values represent univariate statistical comparisons between VOCARP service users and non-users. VOCARP: Victims of Crime Advocacy and Recovery Program; PTSD: posttraumatic stress disorder; ASD: acute stress disorder.
Following injury, 239 patients (17%) of all 1,432 patients had a mental illness after injury, with 50% being new diagnosis and the other 50% representing exacerbation of a previous condition. Among patients with violence-related injuries (n=1,231) regardless of VOCARP use, 201 patients (16%) had a new mental illness after injury. Of note, 475 patients (33%) with preexisting mental illness had no documented new or worsening mental illness after injury. Rates of mental illness post-injury were lower for patients with VOCARP use (15% vs. 22%, p=0.024), with no statistically significant differences between rates of new versus worsening mental illness. The most documented post-injury diagnoses included PTSD or ASD (n=105, 52% of 201), depression (n=58, 29%), anxiety (n=43, 21%), and suicidal ideation or attempts (n=21, 10%). Patients with VOCARP resource use had greater associated rates of PTSD/ASD (57% vs. 37%, p=0.02), and lower frequency of depression (25% vs. 41%) and suicidal ideation (7% vs. 24%) all p<0.05, when compared to patients without VOCARP use. See Table 3 for greater detail.
Table 3:Mental illness after injury stratified by non-violent traumatic injury versus violence-related traumatic injury (with and without service use).
|
All Patients (N=1,432) |
VOC Service Use? |
Non-violent Trauma Control Group (N=201) |
P-value* |
|
Yes (N=1,019) |
No (N=212) |
||||
Mental Illness after Injury |
|
|
|
|
|
Total |
239 (16.7%) |
155 (15.2%) |
46 (21.7%) |
38 (18.9%) |
0.024 |
New |
119/239 (49.8%) |
69/155 (44.5%) |
17/46 (37%) |
33/38 (86.8%) |
0.40 |
Worsening |
120/239 (50.2%) |
86/155 (55.5%) |
29/46 (63%) |
5/38 (13.2%) |
0.40 |
|
|
|
|
|
|
Mental Illness Diagnoses |
|
|
|
|
|
PTSD/ASD |
116 (48.5%) |
88 (56.8%) |
17 (37.0%) |
11 (29.0%) |
0.02 |
Depression |
73 (30.5%) |
39 (25.2%) |
19 (41.3%) |
15 (39.5%) |
0.042 |
Anxiety Disorder |
55 (23%) |
37 (23.9%) |
6 (13.0%) |
12 (31.6%) |
0.15 |
Suicidal Ideation |
23 (9.6%) |
11 (7.1%) |
11 (23.9%) |
1 (2.6%) |
0.005 |
Adjustment Disorder |
25 (10.5%) |
9 (5.8%) |
5 (10.9%) |
11 (29.0%) |
0.32 |
Panic Disorder |
8 (3.4%) |
6 (3.9%) |
1 (2.2%) |
1 (2.6%) |
1.00 |
Schizophrenia |
8 (3.4%) |
6 (3.9%) |
1 (2.2%) |
1 (2.6%) |
1.00 |
Bipolar Disorder |
5 (2.1%) |
3 (1.9%) |
1 (2.2%) |
1 (2.6%) |
1.00 |
Personality Disorder |
3 (1.3%) |
1 (0.7%) |
2 (4.4%) |
0 (0%) |
0.13 |
*P-values represent univariate statistical comparisons between VOCARP service users and non-users. VOCARP: Victims of Crime Advocacy and Recovery Program; PTSD: posttraumatic stress disorder; ASD: acute stress disorder.
Of the 1,019 patients who utilized VOCARP programming, 113 patients (11%) requested mental health services, including counseling, support groups, peer visits and referrals to external psychiatric resources. Compared to patients without mental health resource use, patients who used services had lower rates of pre-existing mental illness (35% vs. 49%) and higher rates of mental illness after injury (33% vs 13%), both p<0.01. Patients who utilized mental health services also had lower associated rates of recidivism for new violent injury (4.4% vs. 11.7%, p=0.016) (Table 4).
Table 4:Rates of mental illness and recidivism among VOCARP users, as extrapolated based on use of mental health services.
|
Use of Mental Health Services? |
P-value |
|
Yes (N=113) |
No (N=906) |
||
Pre-existing Mental Illness |
|
|
|
Yes |
39 (34.5%) |
440 (48.6%) |
0.005 |
|
|
|
|
Mental Illness after Injury |
|
|
|
Total |
37 (32.7%) |
118 (13%) |
<0.001 |
New |
|
|
0.001 |
Worsening |
|
|
0.001 |
|
|
|
|
Hospital Length of Stay (days) |
16.9 ± 21.5 |
2 ± 5.7 |
<0.001 |
|
|
|
|
Recidivism for New Violent Injury |
5 (4.4%) |
106 (11.7%) |
0.016 |
|
|
|
|
Time to Follow-Up (days) |
282 ± 204.5 |
233.5 ± 213.6 |
0.022 |
VOCARP: Victims of Crime Advocacy and Recovery Program.
On multiple logistic regression analysis, statistically significant independent predictor for new mental illness after violence-related trauma include divorced or separated marital status (OR: 2.62), GSW (OR: 2.17), sexual assault (OR: 4.64), longer hospital length of stay (OR: 1.05), positive psychiatric history (OR: 1.85), and any complication after injury (OR: 2.13), all p<0.05. Only two variables were associated with decreased risk for new mental illness: unemployment (OR: 0.61, p=0.012) and used of VOCARP services (OR: 0.54, p=0.008). All other factors including age, sex, race, ethnicity, insurance status and prior traumatic injury (either violent or non-violent) did not reach significance on this regression model (Table 5).
Table 5:Multiple logistic regression analysis to identify independent predictors for new mental illness following violent traumatic injury.
|
New Mental Illness after Injury |
|
|
Odds Ratio |
P-value |
Age |
1.00 |
0.59 |
Male |
1.20 |
0.39 |
Race |
|
|
Caucasian (ref) |
- |
- |
African American |
0.89 |
0.54 |
Other |
0.62 |
0.42 |
Hispanic |
1.07 |
0.90 |
Marital Status |
|
|
Single (ref) |
- |
- |
Married/Significant Other |
0.97 |
0.90 |
Divorced/Separated |
2.62 |
0.001 |
Widowed |
1.98 |
0.29 |
Employment |
|
|
Employed (ref) |
- |
- |
Unemployed |
0.61 |
0.012 |
Retired |
0.58 |
0.47 |
Student |
0.74 |
0.63 |
Insurance |
|
|
Commercial (ref) |
- |
- |
Medicaid |
1.34 |
0.55 |
Medicare |
0.94 |
0.93 |
BWC |
2.43 |
0.23 |
Uninsured |
1.11 |
0.85 |
Managed Care |
1.21 |
0.74 |
Mechanism of Injury |
|
|
Physical Assault (ref) |
- |
- |
Domestic violence |
1.51 |
0.20 |
Gunshot wound |
2.17 |
0.002 |
Human/animal bite |
-* |
-* |
MVC/MCC |
1.78 |
0.29 |
Sexual Assault |
4.64 |
<0.001 |
Stab |
1.13 |
0.76 |
Vehicular Assault |
1.54 |
0.39 |
Other |
1.40 |
0.62 |
Hospital Length of Stay |
1.05 |
<0.001 |
Prior Mental Illness |
1.85 |
0.003 |
Prior Traumatic Injury |
|
|
Resulting from violence/crime |
1.26 |
0.22 |
Non-violent trauma |
1.28 |
0.19 |
Any Complication |
2.13 |
0.012 |
Any Unplanned Surgery |
1.05 |
0.89 |
Use of VOCARP Services |
0.54 |
0.008 |
*N too small for analysis. MVC: motor vehicle collision; MCC: motorcycle collision; VOCARP: Victims of Crime Advocacy and Recovery Program.
Discussion
Over less than two years at our urban level 1 trauma center, 1,019 patients chose to utilize various resources designed for survivors of violence-related traumatic injury. This population likely represents the largest among violence-intervention programming literature. Furthermore, this work signifies a first attempt among violent trauma literature to not only document rates of pre-existing and post-injury mental illness, but also to examine the role available resources play in this intricate relationship between trauma and mental health.
Among general surgery and orthopedic trauma populations, there has been a recent push to quantify rates of mental illness among different patient populations and to understand the subsequent effect on outcomes. However, mental illness after violence-related traumatic injuries is somewhat less well established. This problem may be secondary to selecting or excluding certain mechanisms of injury. For example, some studies may only report psychiatric illness among specific etiologies, such as GSW victims or sexual assault survivors9,29. Additionally, investigation of mental illness has largely been confined to rates of PTSD and ASD. In a meta-analysis of 16 studies among patients suffering violent injuries, Ophuis et al. observed PTSD rates as high as 61% at 1-month after injury and a range of 16.3% to 27.1% at 12-months post-injury9. To a lesser extent, this meta-analysis also included 5 studies reporting rates of post-injury depression which fluctuated between 3% and 35.3% depending on time-point. Of note, several of the studies excluded victims of domestic violence, child abuse, and/or sexual assault. Vella et al. similarly noted that 49% of 183 patients treated for GSWs met criteria for PTSD29. Too a larger degree, after conducting face-to-face interviews with 25 survivors of violence-related facial injuries, Wong et al. found that 80% of the patients met criteria for 2 or more psychiatric disorders30.
Our results are generally in agreement with these findings, although we differ in our methodology for studying mental illness. Overall, among our violently injured population, we found that 639 patients (52% of 1,231) had a mental illness after injury. The majority represented no change to their preexisting mental illness (n=438, 36%), while 201 patients (16%) developed a new condition or had an exacerbation of their previous condition. Frequency of new or worsening mental illness after injury was 8.5% for PTSD/ASD, 4.7% for depression, 3.5% for anxiety and 1.8% for suicidal ideation.
Higher rates of mental illness among trauma populations are concerning, given the risk for poor outcomes. In particular, psychiatric illness is a major risk factor for new traumatic injury recidivism2,8,31. Accordingly, in a study of 1,709 patients with unintentional injuries, Wan et al. found that mental illness led to 4.5 times higher odds of injury recidivism2. In the same study, the authors also showed that patients with mental illness had longer associated hospital lengths of stay and were less likely to be discharged home. Psychiatric illness, specifically depression and anxiety, are likewise implicated in worse results after injury such as poor functional outcomes and higher complication rates4,5,32-34. Mental illness has also been connected to decreased patient satisfaction following orthopaedic trauma35,36. In our study, we identified several independent predictors of new mental illness after injury on multiple logistic regression analysis including divorced or separated marital status (OR: 2.62), GSWs (OR: 2.17), sexual assault (OR: 4.64), hospital length of stay (OR: 1.05) and prior psychiatric diagnosis (OR: 1.85), all p<0.05.
Given the connection between mental illness and poor outcomes, specific interventions to address the psychiatric needs of trauma populations are essential. Although several violence-intervention programs have been established with evidenced reduction in violent injury recidivism, less has been accomplished in the arena of mental health. Despite this trend, two hospital-based intervention programs have reported use of psychiatric resources. In a 10-year study of 446 clients enrolled Wraparound Program, 51% of patients needed mental health services, and 85% of these patients had their need met by the program14. Accordingly, Juillard et al. noted facing challenges in delivering mental health services and the success they had in developing a relationship with a community-based organization that provides mental health resources. Another violence intervention program, Turning Point, reported that 11% of their 80 participants were recommended for a psychiatric evaluation, with the most common diagnosis being adjustment disorder (44%) and ASD (33%)26. Loveland-Jones et al. also reported history of psychiatric disease among their population at 8.7%. Similar to Loveland-Jones et al., 11% of our intervention group (VOCARP users) utilized mental health services, which falls far below that of Juillard et al.: 51%. However, our rate of psychiatric history was far higher (43% overall compared to 8.7%).
This study has several limitations, the foremost being the lack of follow-up data for some patients; 298 patients (20.8%) had less than 2 weeks of follow-up data available. This may have led to underreporting, particularly of new mental illnesses after injury, which required a diagnosis listed within the medical record. However, if patients had additional problems related to mental health or complications, it follows that they would likely follow-up with medical providers. Also, several institutions in the vicinity have linked hospital record systems, allowing for documentation of mental illness, recidivism, and other outcomes. Another limitation is the prospective but non-randomized design, as is seen in other violence intervention program literature. Subsequently, this could have introduced selection bias whereby patients with greater needs and at higher risk for mental illness, recidivism or poor outcomes elected to use services. VOCARP also represented an institution-wide transformation. Therefore, patients that were injured during the same timeframe but refused resources may have still benefited from a culture change within the hospital.
Mental illness represents a cumbersome barrier for patients recovering from violence-related traumatic injuries and is predictive of considerable morbidity thereafter. Among our study population, we observed drastically higher rates of mental illness, both preexisting and post-injury, when compared to national averages. Patients who utilized VOCARP services had higher rates of preexisting mental illness, but use of services was an independent predictor of lower odds of developing a new mental illness after injury. This preliminary investigation illustrates that programming for patients with violence-related injuries holds promise for decreasing the risk of psychiatric sequelae following injury.
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