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John Havlik
John Havlik
Medical Student, Yale University
Verified email at yale.edu
Title
Cited by
Cited by
Year
Impact of Frailty on Morbidity and Mortality in Adult Patients Presenting with an Acute Traumatic Cervical Spinal Cord Injury
AA Elsamadicy, MRS Sandhu, IG Freedman, BC Reeves, AB Koo, ...
World Neurosurgery 153, e408-e418, 2021
212021
The bystander effect in rats
JL Havlik, YY Vieira Sugano, MC Jacobi, RR Kukreja, JHC Jacobi, ...
Science advances 6 (28), eabb4205, 2020
212020
Modified-frailty index does not independently predict complications, hospital length of stay or 30-day readmission rates following posterior lumbar decompression and fusion for …
AA Elsamadicy, IG Freedman, AB Koo, WB David, BC Reeves, J Havlik, ...
The Spine Journal 21 (11), 1812-1821, 2021
202021
Higher Hospital Frailty Risk Score is associated with increased complications and healthcare resource utilization after endovascular treatment of ruptured intracranial aneurysms
AB Koo, AA Elsamadicy, D Renedo, M Sarkozy, J Sherman, BC Reeves, ...
Journal of NeuroInterventional Surgery 15 (3), 255-261, 2023
152023
Assessment of frailty indices and Charlson comorbidity index for predicting adverse outcomes in patients undergoing surgery for spine metastases: a national database analysis
AA Elsamadicy, JL Havlik, B Reeves, J Sherman, AB Koo, Z Pennington, ...
World neurosurgery 164, e1058-e1070, 2022
142022
Hospital Frailty Risk Score and healthcare resource utilization after surgery for primary spinal intradural/cord tumors
AA Elsamadicy, AB Koo, BC Reeves, Z Pennington, M Sarkozy, A Hersh, ...
Global Spine Journal 13 (7), 2074-2084, 2023
102023
Effects of preoperative nutritional status on complications and readmissions after posterior lumbar decompression and fusion for spondylolisthesis: A propensity-score analysis
AA Elsamadicy, J Havlik, BC Reeves, AB Koo, J Sherman, SFL Lo, ...
Clinical Neurology and Neurosurgery 211, 107017, 2021
102021
Patient-and hospital-related risk factors for non-routine discharge after lumbar decompression and fusion for spondylolisthesis
AA Elsamadicy, IG Freedman, AB Koo, W David, AC Hengartner, J Havlik, ...
Clinical Neurology and Neurosurgery 209, 106902, 2021
92021
Characteristics of reported industry payments to neurosurgeons: a 5-year Open Payments database study
AA Elsamadicy, IG Freedman, AB Koo, BC Reeves, J Havlik, WB David, ...
World Neurosurgery 145, e90-e99, 2021
92021
Hospital Frailty Risk Score Predicts Adverse Events and Readmission Following a Ventriculoperitoneal Shunt Surgery for Normal Pressure Hydrocephalus
AB Koo, AA Elsamadicy, D Renedo, M Sarkozy, BC Reeves, MM Barrows, ...
World Neurosurgery 170, e9-e20, 2023
72023
Differences in Health Care Resource Utilization After Surgery for Metastatic Spinal Column Tumors in Patients with a Concurrent Affective Disorder in the United States
AA Elsamadicy, AB Koo, M Sarkozy, BC Reeves, Z Pennington, J Havlik, ...
World neurosurgery 161, e252-e267, 2022
72022
Lessons from the COVID-19 pandemic: The case for virtual residency interviews
P Dey, JL Havlik, V Kurup, N Ahuja
Annals of Surgery Open 2 (3), e077, 2021
72021
Primary Care for Veterans Experiencing Homelessness: a Narrative Review of the Homeless Patient Aligned Care Team (HPACT) Model
J Tsai, J Havlik, BA Howell, E Johnson, D Rosenthal
Journal of General Internal Medicine 38 (3), 765-783, 2023
62023
Impact of Preoperative Anemia on Outcomes After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis
AA Elsamadicy, IG Freedman, AB Koo, WB David, J Havlik, ...
World neurosurgery 146, e214-e224, 2021
62021
Racial Disparities in Health Care Resource Utilization After Pediatric Cervical and/or Thoracic Spinal Injuries
AA Elsamadicy, MR Sandhu, IG Freedman, AB Koo, AC Hengartner, ...
World Neurosurgery 156, e307-e318, 2021
42021
Impact of Frailty on Morbidity and Mortality in Adult Patients Undergoing Surgical Evacuation of Acute Traumatic Subdural Hematoma
AA Elsamadicy, MRS Sandhu, IG Freedman, AB Koo, BC Reeves, J Yu, ...
World Neurosurgery 162, e251-e263, 2022
32022
Characterization of quality of life among individuals with current treated, untreated, and past alcohol use disorder
JL Havlik, TG Rhee, RA Rosenheck
The American Journal of Drug and Alcohol Abuse 49 (6), 787-798, 2023
22023
Association Between Intravenous to Oral Opioid Transition Time and Length of Hospital Stay After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis
AC Hengartner, J Havlik, WB David, BC Reeves, IG Freedman, M Sarkozy, ...
International Journal of Spine Surgery 17 (3), 468-476, 2023
22023
The Effects of Pulmonary Risk Factors on Hospital Resource Use After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis Correction
AA Elsamadicy, IG Freedman, AB Koo, WB David, J Havlik, ...
World neurosurgery 149, e737-e747, 2021
22021
Comparison of industry payments to psychiatrists and psychiatric advanced practice clinicians in the USA, 2021: a cross-sectional study
J Havlik, L Ososanya, MS Lee, S Wahid, M Heyang, QW Sun, JS Ross, ...
BMJ open 14 (2), e081252, 2024
12024
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