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2.
J Int Med Res ; 52(4): 3000605241237876, 2024 Apr.
Article En | MEDLINE | ID: mdl-38606757

Differentiation between granulomatosis with polyangiitis (GPA) limited to the upper airways and cocaine-induced midline destructive lesion (CIMDL) may be particularly difficult because of their common histopathologic features and antineutrophil cytoplasmic antibody (ANCA) profiles. We herein present a case involving a young woman with an initial diagnosis of GPA based on upper and lower airway manifestations and constitutional symptoms, histopathologic evidence of granulomas, a positive cytoplasmic ANCA indirect immunofluorescent test result, and proteinase 3 positivity by enzyme-linked immunosorbent assay (ELISA). CIMDL was confirmed based on the appearance of a hard palate perforation, positivity for methylecgonine on urine toxicology, a positive perinuclear ANCA indirect immunofluorescent test result, and subsequent human neutrophil elastase (HNE) ANCA positivity by ELISA. Finally, based on the coexistence of CIMDL, constitutional symptoms, and lower airway manifestations, the diagnosis was modified to cocaine-induced GPA mimic. Urine toxicology for cocaine and HNE ELISA are indicated in young patients with GPA who develop limited airway disease to check for the presence of CIMDL and cocaine-/levamisole-induced ANCA-associated vasculitis. Continued abstinence from cocaine is the first-choice therapy for both CIMDL and cocaine-induced GPA mimic.


Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis , Cocaine-Related Disorders , Cocaine , Granulomatosis with Polyangiitis , Female , Humans , Antibodies, Antineutrophil Cytoplasmic , Granulomatosis with Polyangiitis/diagnosis , Granulomatosis with Polyangiitis/complications , Cocaine-Related Disorders/complications , Cocaine-Related Disorders/diagnosis , Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/complications
3.
J Investig Med High Impact Case Rep ; 12: 23247096241242569, 2024.
Article En | MEDLINE | ID: mdl-38546011

Cocaine is an indirect-acting sympathomimetic drug that inhibits norepinephrine and dopamine reuptake in the adrenergic presynaptic cleft. Cocaine use has been associated with strokes, angina, arrhythmias, and agitation. Data on gastrointestinal complications such as mesenteric ischemia, bowel necrosis, ulceration, and perforation are scarce. Here, we present a rare case of cocaine-induced esophageal, gastric, and small bowel necrosis that contributes to the limited literature on this subject. Diagnosis of cocaine-induced gastrointestinal complications involves a combination of imaging studies, laboratory assessments, and histopathological examinations. Timely surgical resection, supported by intravenous fluids, antibiotics, and pain management, is the mainstay of treatment. The prognosis varies but is significantly influenced by the promptness and effectiveness of the intervention, underscoring the importance of vigilant clinical care in such cases.


Cocaine-Related Disorders , Cocaine , Gastrointestinal Diseases , Vascular Diseases , Humans , Cocaine/adverse effects , Cocaine-Related Disorders/complications , Gastrointestinal Diseases/complications , Necrosis/chemically induced , Necrosis/complications
4.
Clin Rheumatol ; 43(4): 1401-1407, 2024 Apr.
Article En | MEDLINE | ID: mdl-38416306

Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a group of rare conditions predominantly affecting small vessels of skin, musculoskeletal, pulmonary, renal, and rarely central and peripheral nervous systems. Isolated neurological manifestations of AAV are uncommon and challenging to diagnose. Cocaine has been reported as a potential trigger for the development of AAV. There are only a few case reports of isolated neurological involvement in cocaine-induced AAV with poorly characterized histopathological features. We present a unique case of AAV with isolated neurological manifestations presenting with multiple cranial neuropathies, leptomeningeal enhancement on imaging and histopathologic evidence of small-vessel vasculitis in the leptomeninges and brain and extensive dural fibrosis in a patient with cocaine abuse. The patient's progressive neurological deficits were controlled after starting immunosuppression with rituximab and prednisone. We also reviewed the literature to provide the diagnostic overview of AAV and evaluate intervention options. To our knowledge, this is the first case of AAV with isolated neurological manifestations and histopathologic evidence of small-vessel vasculitis in a patient with cocaine abuse. Patients with multiple cranial neuropathies and meningeal involvement should be screened for AAV, especially if they have a history of cocaine abuse.


Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis , Cocaine-Related Disorders , Cocaine , Cranial Nerve Diseases , Humans , Cocaine-Related Disorders/complications , Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/chemically induced , Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/complications , Cocaine/adverse effects , Brain
5.
Actas Urol Esp (Engl Ed) ; 48(4): 281-288, 2024 May.
Article En, Es | MEDLINE | ID: mdl-38369291

INTRODUCTION: Ischemic priapism is a medical emergency that, if not treated, could lead to permanent erectile dysfunction. The association between cocaine and priapism is well-known; however, data on patient characteristics, treatment, and outcomes is missing. This work aimed to answer the research question: What are the characteristics, management strategies, and erectile prognosis of patients consuming cocaine and presenting with priapism? METHODS: We conducted a systematic review according to PRISMA guidelines and described our case series. RESULTS: Eight studies were selected for qualitative synthesis, presenting information on ten patients. In our case series, we showed information regarding four patients. From the systematic review, the mean presentation time was 42.6 h, and the mean number of procedures to solve priapism was 2,4; in our case series was 42.75 h and 2, respectively. CONCLUSION: Cocaine-related priapism might present with a delayed diagnosis, need more procedures to be managed, and have a worse prognosis. More extensive and prospective studies are required.


Ischemia , Priapism , Priapism/chemically induced , Humans , Male , Ischemia/chemically induced , Cocaine-Related Disorders/complications , Penis/blood supply , Adult , Cocaine/adverse effects , Middle Aged
6.
J Laryngol Otol ; 138(6): 699-702, 2024 Jun.
Article En | MEDLINE | ID: mdl-38326948

BACKGROUND: Cocaine is one of the most used recreational drugs. Whilst medical uses exist, chronic recreational nasal use of cocaine is associated with progressive destruction of the osseocartilaginous structures of the nose, sinuses and palate - termed cocaine-induced midline destructive lesions. CASE REPORT: A 43-year-old male with a history of chronic cocaine use, presented with conductive hearing loss and unilateral middle-ear effusion. Examination under anaesthesia revealed a completely stenosed left Eustachian tube orifice with intra-nasal adhesions. The adhesions were divided and the hearing loss was treated conservatively with hearing aids. Whilst intra-nasal cocaine-induced midline destructive lesions are a well-described condition, this is the first known report of Eustachian tube stenosis associated with cocaine use. CONCLUSION: This unique report highlights the importance of thorough history-taking, rhinological and otological examination, and audiometric testing when assessing patients with a history of chronic cocaine use. This paper demonstrates the complexity of managing hearing loss in such cases, with multiple conservative and surgical options available.


Cocaine-Related Disorders , Eustachian Tube , Humans , Male , Adult , Eustachian Tube/pathology , Cocaine-Related Disorders/complications , Constriction, Pathologic/chemically induced , Cocaine/adverse effects , Hearing Loss, Conductive/etiology , Hearing Loss, Conductive/chemically induced , Otitis Media with Effusion/etiology , Ear Diseases/chemically induced , Ear Diseases/etiology , Chronic Disease
7.
BMC Oral Health ; 24(1): 185, 2024 Feb 05.
Article En | MEDLINE | ID: mdl-38317147

BACKGROUND: The study aimed to investigate the association between maternal cocaine abuse during pregnancy and the prevalence of cleft lip/palate (CL/P) in offspring, synthesizing existing evidence through a systematic review and meta-analysis. CL/P is a congenital craniofacial anomaly with complex etiology, and prior research has suggested potential links between maternal cocaine use and CL/P. However, these associations remain inconclusive. METHODS: A comprehensive literature search was conducted to identify relevant studies published up to the study's cutoff date in September 2021. Several databases were systematically searched using predefined search terms. Inclusion criteria were set to encompass studies reporting on the prevalence of CL/P in infants born to mothers with a history of cocaine use during pregnancy, with a comparison group of non-cocaine-using mothers. Data were extracted, and a meta-analysis was performed using a random-effects model to calculate pooled odds ratios (OR) and relative risks (RR) with their respective 95% confidence intervals (CI). RESULTS: The review included data from 4 studies that met the inclusion criteria. The combined OR from two studies was 0.05 (95% CI: 0.00, 4.41), which does not suggest a statistically significant association between prenatal cocaine exposure and the incidence of CL/P due to the confidence interval crossing the null value. Additionally, the combined RR was 0.17 (95% CI: 0.04, 0.66), indicating a statistically significant decrease in the risk of CL/P associated with prenatal cocaine exposure. These results, with an OR that is not statistically significant and an RR suggesting decreased risk, should be interpreted with caution due to considerable heterogeneity and variability among the included studies' findings. Further research is needed to clarify these associations. CONCLUSION: The findings from this systematic review and meta-analysis suggest that maternal cocaine use during pregnancy is not a statistically significant independent risk factor for the development of CL/P in offspring. These results underscore the multifactorial nature of CL/P etiology and emphasize the importance of considering other genetic, environmental, and nutritional factors in understanding the condition's origins. While the study provides important insights, limitations such as data heterogeneity and potential confounders should be acknowledged. Future research should adopt rigorous study designs and explore a broader range of potential risk factors to comprehensively elucidate CL/P development.


Cleft Lip , Cleft Palate , Cocaine-Related Disorders , Cocaine , Infant , Pregnancy , Female , Humans , Cleft Lip/etiology , Cleft Lip/genetics , Cleft Palate/etiology , Cleft Palate/genetics , Incidence , Cocaine-Related Disorders/complications , Cocaine-Related Disorders/epidemiology , Parents , Cocaine/adverse effects
8.
World Neurosurg ; 184: 241-252.e2, 2024 Apr.
Article En | MEDLINE | ID: mdl-38072159

BACKGROUND: The use of cocaine can lead to a variety of neurologic complications, including cerebral vasoconstriction, ischemia, aneurysm formation, and aneurysm rupture. A previous study has shown that cocaine use is associated with an increased risk of subarachnoid hemorrhage (SAH). This study conducted a systematic review and meta-analysis of observational studies to assess the association between cocaine use and the risk of poor neurological outcomes and mortality in patients with SAH. METHODS: A systematic review and meta-analysis were performed following the meta-analysis of observational studies in epidemiology (MOOSE) declaration for systematic reviews and the Cochrane Manual of Systematic Reviews and Meta-Analyses guidelines. Randomized controlled trials (RCTs), nonrandomized clinical trials, and prospective and retrospective cohort studies that reported data about adults who suffered Aneurysmal Subarachnoid Hemorrhage (aSAH) after having consumed cocaine recreationally were included. Variables such as mortality, vasospasm, seizures, re-bleeding, and complications were analyzed. RESULTS: After a thorough selection process, 14 studies involving 116,141 patients, of which 2227 had a history of cocaine consumption, were included in the analysis. There was a significant increase in overall unfavorable outcomes in aSAH patients with a history of cocaine use (OR 5.51 CI 95% [4.26-7.13] P = <0.0001; I2 = 78%), with higher mortality and poor neurologic outcomes. There were no significant differences in the risk of hydrocephalus, seizures, or re-bleeding. Cocaine use was found to increase the risk of vasospasm and overall complications. CONCLUSIONS: This study insinuates that cocaine use is associated with worse clinical outcomes in aSAH patients. Despite the cocaine users did not exhibit a higher risk of certain complications such as hydrocephalus and seizures, they had an increased risk of vasospasm and overall complications. These findings highlight the importance of addressing the issue of cocaine consumption as a primary preventive measure to decrease the incidence of aSAH and improve patient outcomes.


Aneurysm, Ruptured , Cocaine-Related Disorders , Cocaine , Hydrocephalus , Subarachnoid Hemorrhage , Vasospasm, Intracranial , Adult , Humans , Subarachnoid Hemorrhage/etiology , Subarachnoid Hemorrhage/complications , Systematic Reviews as Topic , Seizures/complications , Cocaine-Related Disorders/complications , Cocaine-Related Disorders/epidemiology , Aneurysm, Ruptured/complications , Hydrocephalus/etiology , Hydrocephalus/complications , Cocaine/adverse effects , Vasospasm, Intracranial/etiology , Vasospasm, Intracranial/complications , Observational Studies as Topic
11.
Subst Abus ; 44(4): 323-329, 2023 10.
Article En | MEDLINE | ID: mdl-37830512

BACKGROUND: While substance use is known to influence cardiovascular health, most prior studies only consider one substance at a time. We examined associations between the concurrent use of multiple substances and left ventricular mass index (LVMI) in unhoused and unstably housed women. METHODS: Between 2016 and 2019, we conducted a cohort study of unstably housed women in which measurements included an interview, serum/urine collection, vital sign assessment, and a single transthoracic echocardiogram at baseline. We evaluated independent associations between 39 separate substances confirmed through toxicology and echocardiography-confirmed LVMI. RESULTS: The study included 194 participants with a median age of 53.5 years and a high proportion of women of color (72.6%). Toxicology-confirmed substance use included: 69.1% nicotine, 56.2% cocaine, 28.9% methamphetamines, 28.9% alcohol, 23.2% opioid analgesics, and 9.8% opioids with catecholaminergic effects. In adjusted analysis, cocaine was independently associated with higher LVMI (Adjusted linear effect: 18%; 95% CI 9.9, 26.6). Associations with other substances did not reach levels of significance and did not significantly interact with cocaine. CONCLUSION: In a population of vulnerable women where the use of multiple substances is common, cocaine stands out as having particularly detrimental influences on cardiac structure. Blood pressure did not attenuate the association appreciably, suggesting direct effects of cocaine on LVMI. Routinely evaluating stimulant use as a chronic risk factor during risk assessment and preventive clinical care planning may reduce end organ damage, particularly in highly vulnerable women.


Cocaine-Related Disorders , Cocaine , Substance-Related Disorders , Humans , Female , Middle Aged , Cohort Studies , Housing , Cocaine-Related Disorders/complications , Cocaine-Related Disorders/epidemiology , Substance-Related Disorders/epidemiology , Analgesics, Opioid
12.
J Forensic Leg Med ; 100: 102597, 2023 Nov.
Article En | MEDLINE | ID: mdl-37832170

It is generally believed that the use of alcohol and cocaine alone and especially in combination elicits aggression and violent behaviour. Though there is overwhelming proof that heavy alcohol use is associated with violence, this is not the case for cocaine. Still, in the popular press and by spokesmen of the police, cocaine use is seen as a cause of violent incidents. In the current systematic review, available data from human studies on the relation between cocaine and violent behaviour is presented. In particular, we present scientific data on the acute induction of violence by cocaine alone, as well as, that by the combination of cocaine and alcohol known to be frequently used simultaneously. RESULTS: show that there is only weak scientific evidence for the acute induction of violent behaviour by cocaine, either when used alone or in combination with alcohol. Based on these data we were also able to refute misconceptions about the relation between cocaine and violence published in the popular press and governmental reports, because it appeared that there was hardly any empirical support for this widely shared opinion. Probably, contextual factors, including cocaine use disorder and personality disorder, may better explain the assumed association between cocaine and violence.


Cocaine-Related Disorders , Cocaine , Substance-Related Disorders , Humans , Aggression , Violence , Substance-Related Disorders/complications , Cocaine-Related Disorders/complications , Ethanol
15.
S D Med ; 76(4): 160-162, 2023 Apr.
Article En | MEDLINE | ID: mdl-37566670

Cocaine abuse with its complications is a common problem that presents often in the emergency room. Complications of cocaine use can involve multiple systems. These complications can arise within each system simultaneously or at different times. We treated a patient who presented with symptoms of cerebrovascular accident and was found to have concomitant non-ST segment elevation myocardial infarction (NSTEMI). A 54-year-old male with medical history significant for hypertension and prior MI presented to emergency department with left leg and arm numbness first noticed when he woke up in the morning of presentation. He admitted using cocaine the night prior to presentation. Neurological exam was remarkable for decreased sensation to left extremities. His National Institute of Health Stroke Scale (NHISS) score was 1. Blood work was significant for an elevated troponin I of 1.74 ng/ml, and an elevated Creatinine of 2.34 mg/dl. CT head and MRI brain were negative for acute intracranial hemorrhage or radiological evidence of stroke. He was treated with aspirin, clopidogrel, statin and therapeutic enoxaparin for NSTEMI. His symptoms of left sided numbness resolved over the course of his stay. This case underscores why cocaine abuse should always be considered in the differential for patients presenting with symptoms suggestive of acute coronary syndrome or stroke, especially in young and middle-aged males.


Cocaine-Related Disorders , Cocaine , Ischemic Attack, Transient , Non-ST Elevated Myocardial Infarction , ST Elevation Myocardial Infarction , Stroke , Male , Middle Aged , Humans , Ischemic Attack, Transient/diagnosis , Ischemic Attack, Transient/etiology , Non-ST Elevated Myocardial Infarction/diagnosis , Cocaine-Related Disorders/complications , Cocaine-Related Disorders/diagnosis , Hypesthesia , Stroke/diagnostic imaging , Stroke/etiology , Hemorrhage
16.
Eur Addict Res ; 29(5): 305-312, 2023.
Article En | MEDLINE | ID: mdl-37517394

INTRODUCTION: Concomitant drug use is common among opioid-dependent patients in maintenance therapy. Attention deficit hyperactivity disorder (ADHD), a common comorbidity among opioid users, is associated with a higher risk of concomitant drug use. Earlier studies showed that methylphenidate (MPH) can reduce cocaine consumption among patients with ADHD. The use of MPH as an agonist-replacement or maintenance therapy in cocaine-dependent patients without ADHD is also common in Switzerland, despite a lack of supporting evidence. The aim of this study was to assess concomitant cocaine, amphetamine, MDMA, MPH, and heroin use among patients in opioid maintenance therapy either with or without comorbid ADHD. We expected stimulant consumption to be higher in patients with cocaine dependence and comorbid ADHD and that use of MPH would not lead to a reduction in cocaine consumption in patients without ADHD. We therefore evaluated correlations between use of MPH and cocaine consumption and between MPH consumption and cocaine craving within the two groups. METHODS: This cross-sectional study included 94 opioid-dependent patients in maintenance therapy in an outpatient department of the Psychiatric Hospital of Zurich. The patients were divided into two groups based on comorbid ADHD; a group with ADHD (N = 27) and a group without ADHD (N = 67). Drug use was assessed using 3-month hair analysis. RESULTS: We did not find significant differences in the number of patients using cocaine, amphetamine, MDMA, or heroin between groups with or without ADHD. With respect to cocaine use, 85.2 percent of patients in the ADHD group and 73.1 percent in the non-ADHD group were users. The non-ADHD group showed a significant positive correlation between the concentration of MPH and cocaine in hair samples (p < 0.05), and a positive correlation between cocaine craving and the concentration of MPH in hair samples (p = 0.065). These two trends were not evident in the ADHD group. CONCLUSION: Among patients without ADHD, use of MPH correlates with higher cocaine consumption and craving. Conversely, no significant correlation was found between MPH and cocaine use in patients with ADHD. Our study adds to the evidence that MPH confers negative effects in cocaine users without ADHD and should thus have no place in the treatment of these patients.


Attention Deficit Disorder with Hyperactivity , Central Nervous System Stimulants , Methylphenidate , Substance-Related Disorders , Humans , Amphetamine , Analgesics, Opioid/therapeutic use , Attention Deficit Disorder with Hyperactivity/complications , Attention Deficit Disorder with Hyperactivity/drug therapy , Attention Deficit Disorder with Hyperactivity/epidemiology , Central Nervous System Stimulants/therapeutic use , Cocaine , Cocaine-Related Disorders/complications , Cross-Sectional Studies , Heroin/therapeutic use , Methylphenidate/therapeutic use , N-Methyl-3,4-methylenedioxyamphetamine/therapeutic use , Substance-Related Disorders/complications , Treatment Outcome
17.
Surgery ; 174(4): 1056-1062, 2023 10.
Article En | MEDLINE | ID: mdl-37495463

BACKGROUND: The "vices-paradox" describes the paradoxical association between illicit substance use and decreased mortality risk in trauma patients. Cocaine's vasoconstrictive effects may decrease hemorrhage but also increase the risk of thromboembolic complications. To clarify the effects of cocaine use on trauma patients, we compared the risk of mortality and thromboembolic complications in patients screening positive for cocaine with those screening negative. METHODS: We searched the Trauma Quality Improvement Program database to identify patients 18 years and over who had presented with a drug and alcohol screen on admission between 2017 and 2019. After excluding all patients who had tested positive for alcohol and substances other than cocaine, we then compared the clinical outcomes of patients who were positive and negative for cocaine use. RESULTS: Of the 312,553 patients identified, 11,942 (3.82%) had tested positive for cocaine. Cocaine users were significantly more likely to present with stab (8.0% vs 3.1%) or gunshot wounds (8.0% vs 3.0%) but had lower rates of mortality (3.6% vs 4.7%), myocardial infarction (0.1% vs 0.2%,) and cerebrovascular accident (0.3% vs 0.4%,). After controlling for covariates, the risk of death, myocardial infarction, and cerebrovascular accident did not significantly differ between cocaine and non-cocaine users. CONCLUSION: Trauma patients positive for cocaine have similar risks of death and thromboembolic complications and so have a similar prognosis to patients negative for all drugs or alcohol, indicating that the "vices-paradox" does not apply to cocaine use. However, these patients more commonly present after penetrating trauma, suggesting cocaine use in hazardous environments.


Cocaine-Related Disorders , Cocaine , Myocardial Infarction , Stroke , Substance-Related Disorders , Wounds, Gunshot , Humans , Adolescent , Adult , Cocaine-Related Disorders/complications , Cocaine-Related Disorders/epidemiology , Cocaine-Related Disorders/diagnosis , Substance-Related Disorders/complications , Substance-Related Disorders/epidemiology , Cocaine/adverse effects , Ethanol , Stroke/complications , Myocardial Infarction/complications
18.
JAMA Intern Med ; 183(9): 1011-1012, 2023 09 01.
Article En | MEDLINE | ID: mdl-37486640

This case report presents the electrocardiogram findings of a patient in their 20s with severe midsternal chest pain of several hours' duration after cocaine use.


Cocaine-Related Disorders , Cocaine , Humans , Cocaine-Related Disorders/complications , Cocaine/adverse effects , Tachycardia/chemically induced , Tachycardia/diagnosis , Chest Pain , Electrocardiography
19.
J Investig Med High Impact Case Rep ; 11: 23247096231176215, 2023.
Article En | MEDLINE | ID: mdl-37209041

Cocaine, one of most prevalent illicit substances in the United States, affects a multitude of organ systems and precedes numerous negative health outcomes. Many of the consequences of cocaine are linked to induction of vasoconstriction. For this reason, cocaine users are placed at considerable risk of ischemic stroke, myocardial infarction, and cardiac arrhythmias. Furthermore, a prominent contaminant, levamisole, has been widely implicated in predisposing individuals to developing or exacerbating cutaneous vasculitides. This report details a 31-year-old woman with acute, localized necrotic skin lesions after cocaine use. Her clinical picture was complicated by a 17-year history of systemic lupus erythematosus (SLE) and Raynaud's phenomenon. This case examines the challenge of forming a differential diagnosis, initiating an appropriate workup, and interpreting serologic-based and immunologic-based studies to differentiate between SLE and drug-based etiologies of skin necrosis. Finally, we discuss appropriate treatment plans to mitigate symptoms and reduce future instances of drug-induced vasculitis.


Cocaine-Related Disorders , Cocaine , Lupus Erythematosus, Systemic , Skin Diseases, Vascular , Female , Humans , Adult , Cocaine-Related Disorders/complications , Levamisole/adverse effects , Skin Diseases, Vascular/chemically induced , Skin Diseases, Vascular/diagnosis , Cocaine/adverse effects , Lupus Erythematosus, Systemic/complications , Lupus Erythematosus, Systemic/diagnosis
20.
AIDS Patient Care STDS ; 37(5): 243-252, 2023 05.
Article En | MEDLINE | ID: mdl-37083446

HIV-associated neurocognitive disorders (HAND) remain a major challenge for people with HIV in the antiretroviral therapy era. Cocaine use may trigger/exacerbate HAND among African American (AA) adults, especially women. Between 2018 and 2019, 922 adults, predominantly AAs, with/without HIV and with/without cocaine use in Baltimore, Maryland, were enrolled in a study investigating the association of HIV and cocaine use with neurocognitive impairment (NCI). Neurocognitive performance was assessed with the NIH Toolbox Cognition Battery (NIHTB-CB). NCI was considered to be present if the fully adjusted standard score for at least two cognitive domains was 1.0 standard deviation below the mean. Although the overall analysis showed HIV and female sex were associated with NCI, the associations were dependent on cocaine use. Neither HIV [adj prevalence ratio (PR): 1.12, confidence interval (95% CI): 0.77-1.64] nor female sex (adj PR: 1.07, 95% CI: 0.71-1.61) was associated with NCI among cocaine nonusers, while both HIV (adj PR: 1.39, 95% CI: 1.06-1.81) and female sex (adj PR: 1.53, 95% CI: 1.18-1.98) were associated with NCI in cocaine users. HIV was associated with two NIHTB-CB measures overall. In addition, HIV was associated with a lower dimensional change card sort score (an executive function measure) in cocaine users and not in nonusers. Cognitive performance was poorer in female than in male cocaine users. The adverse effect of HIV on cognitive performance predominantly affected cocaine users. However, cocaine use may moderate the impact of HIV and female sex on cognitive performance, highlighting the importance of reducing cocaine use in NCI prevention among the AA population.


Cocaine-Related Disorders , Cocaine , HIV Infections , Adult , Humans , Male , Female , HIV Infections/complications , HIV Infections/epidemiology , HIV Infections/psychology , HIV , Black or African American , Cocaine-Related Disorders/complications , Cocaine-Related Disorders/epidemiology , Cocaine-Related Disorders/psychology , Neuropsychological Tests
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