User profiles for John Havlik
 | John HavlikMedical Student, Yale University Verified email at yale.edu Cited by 179 |
Modified-frailty index does not independently predict complications, hospital length of stay or 30-day readmission rates following posterior lumbar decompression and …
BACKGROUND CONTEXT Frailty has been associated with inferior surgical outcomes in
various fields of spinal surgery. With increasing healthcare costs, hospital length of stay (LOS) …
various fields of spinal surgery. With increasing healthcare costs, hospital length of stay (LOS) …
Assessment of frailty indices and Charlson Comorbidity Index for predicting adverse outcomes in patients undergoing surgery for spine metastases: a national …
Objective The aim of this study was to assess the predictive ability of Metastatic Spinal Tumor
Frailty Index (MSTFI) and the Modified 5-Item Frailty Index (mFI-5) on adverse outcomes, …
Frailty Index (MSTFI) and the Modified 5-Item Frailty Index (mFI-5) on adverse outcomes, …
Impact of frailty on morbidity and mortality in adult patients presenting with an acute traumatic cervical spinal cord injury
Objective The aim of this study was to determine if baseline frailty was an independent
predictor of adverse events (AEs) and in-hospital mortality in patients being treated for acute …
predictor of adverse events (AEs) and in-hospital mortality in patients being treated for acute …
Characteristics of esketamine prescribers among medicare beneficiaries in the United States, 2019-2020
Esketamine is the first US Food and Drug Administration approved rapid-acting drug for
treatmentresistant depression (TRD) and the first novel-mechanism antidepressant in more than …
treatmentresistant depression (TRD) and the first novel-mechanism antidepressant in more than …
Higher Hospital Frailty Risk Score is associated with increased complications and healthcare resource utilization after endovascular treatment of ruptured intracranial …
Aim To use the Hospital Frailty Risk Score (HFRS) to investigate the impact of frailty on
complication rates and healthcare resource utilization in patients who underwent endovascular …
complication rates and healthcare resource utilization in patients who underwent endovascular …
The bystander effect in rats
JL Havlik, YY Vieira Sugano, MC Jacobi… - Science …, 2020 - science.org
To investigate whether the classic bystander effect is unique to humans, the effect of bystanders
on rat helping was studied. In the presence of rats rendered incompetent to help through …
on rat helping was studied. In the presence of rats rendered incompetent to help through …
Effects of preoperative nutritional status on complications and readmissions after posterior lumbar decompression and fusion for spondylolisthesis: a propensity-score …
Introduction Malnutrition, common in the elderly, may adversely affect healthcare outcomes.
In spine surgery, malnutrition is associated with higher rates of perioperative complications, …
In spine surgery, malnutrition is associated with higher rates of perioperative complications, …
Hospital Frailty Risk Score and healthcare resource utilization after surgery for primary spinal intradural/cord tumors
Objective The Hospital Frailty Risk Score (HFRS) is a metric that measures frailty among
patients in large national datasets using ICD-10 codes. While other metrics have been utilized …
patients in large national datasets using ICD-10 codes. While other metrics have been utilized …
Hospital frailty risk score predicts adverse events and readmission following a ventriculoperitoneal shunt surgery for normal pressure hydrocephalus
Objective The aim of this study was to evaluate the impact of a Hospital Frailty Risk Score (HFRS)
on unplanned readmission and health care resource utilization in normal pressure …
on unplanned readmission and health care resource utilization in normal pressure …
Primary care for veterans experiencing homelessness: a narrative review of the homeless patient aligned care team (HPACT) model
In 2011, the US Department of Veterans Health (VA) implemented a homeless-tailored
primary care medical home model called the Homeless Patient Aligned Care Teams (HPACTs). …
primary care medical home model called the Homeless Patient Aligned Care Teams (HPACTs). …
