5 results on '"Nicolas K. Khattar"'
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2. Impact of Surgical Timing and Approaches to Health Care Utilization in Patients Undergoing Surgery for Acute Traumatic Cervical Spinal Cord Injury
- Author
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Nicholas Dietz, Nicolas K Khattar, Shawn W Adams, Tyler Ball, Dengzhi Wang, Mayur Sharma, Maxwell Boakye, and Beatrice Ugiliweneza
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medicine.medical_specialty ,Neurosurgery ,Repeat Surgery ,030204 cardiovascular system & hematology ,Trauma ,03 medical and health sciences ,0302 clinical medicine ,Health care ,Medicine ,In patient ,Spinal cord injury ,posterior ,business.industry ,Incidence (epidemiology) ,anterior ,General Engineering ,medicine.disease ,cervical spine fusion ,spinal cord injury ,Surgery ,circumferential ,Cervical spinal cord injury ,Cohort ,business ,Complication ,030217 neurology & neurosurgery - Abstract
Objective Acute traumatic cervical spinal cord injury (AcSCI) causes significant morbidity and has an impact on health care utilization. The aim of our study was to analyze health care utilization in patients undergoing surgical decompression and fusion for AcSCI based on timing and type of surgical approaches. Patient and methods Data were extracted using ICD9/10 and CPT codes from MarketScan (IBM Corp. Armonk, New York [v. 2000-2015]). We defined the comparative groups based on the timing of surgery (early 24 hours) and surgical approaches: anterior, posterior and circumferential. Outcomes of interest were: length of hospital stay, discharge disposition and health care utilization in the index hospitalization, within 30 days after discharge and 12 months following injury. Results Of 1604 patients, 80.9% had early procedures and 55.7% of these had anterior-only procedures. Overall, the median age was 46 years in the early surgery group and 47 years in the late surgery group. Patients in the early surgical group incurred higher outpatient services and there was no difference in cumulative median payments (index + 12 months) across the cohorts (early: $127,379, late: $121,049). The incidence of repeat surgery at the index level did not differ based on the timing of surgery (early 5% vs. late 7%). Complications were higher in the circumferential surgery cohort irrespective of the timing of surgery. Overall, combined median payment (index hospitalization + 12 months) was significantly higher for early circumferential cohorts compared to the anterior or posterior-only cohort ($195,990 and $109,977 vs. $121,236 respectively). Conclusion Late (>24 hours) surgeries were associated with a higher likelihood to be discharged home, lower utilization of outpatient services, higher hospital readmissions and no differences in payments (index and cumulative) compared to early surgeries. Circumferential approaches were associated with higher complication rates, lesser likelihood to be discharged home, higher utilization of outpatient services compared to anterior-only approaches.
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- 2019
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3. Cerebral Venous Thrombosis at High Altitude: A Retrospective Cohort of Twenty-one Consecutive Patients
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Joseph S. Neimat, Hugo Andrade-Barazarte, Haiyang Li, Sunil Munakomi, Juha Hernesniemi, Ajmal Zemmar, Iype Cherian, Nicolas K Khattar, Fitri Sumardi, Jack L Fleming, Robert F. James, Quinghua Liang, Yazhou Xing, and Dale Ding
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Pediatrics ,medicine.medical_specialty ,medicine.drug_class ,medicine.medical_treatment ,Neurosurgery ,gos ,Low molecular weight heparin ,030204 cardiovascular system & hematology ,03 medical and health sciences ,0302 clinical medicine ,medicine ,patient management ,low-molecular-weight heparin ,business.industry ,Glasgow Outcome Scale ,Incidence (epidemiology) ,General Engineering ,Cerebrovascular disorder ,cerebral venous thrombosis ,Retrospective cohort study ,developing countries ,medicine.disease ,Venous thrombosis ,Neurology ,Cohort ,Decompressive craniectomy ,Other ,business ,030217 neurology & neurosurgery - Abstract
Background Cerebral venous thrombosis (CVT) is a rare cerebrovascular disorder, comprising
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- 2019
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4. Traumatic Ventral Cervical Spinal Cord Herniation: A Case Report
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Shawn W Adams, Nicolas K Khattar, Thomas Altstadt, Brent G. Oxford, and Andrew M Donovan
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medicine.medical_specialty ,Weakness ,Neurological injury ,Decompression ,Priapism ,Neurosurgery ,030204 cardiovascular system & hematology ,cervical spinal cord ,herniation ,03 medical and health sciences ,0302 clinical medicine ,Intervention (counseling) ,medicine ,Spinal cord injury ,business.industry ,General Engineering ,medicine.disease ,Spinal cord ,spinal cord injury ,Surgery ,Orthopedics ,trauma ,Traumatic injury ,medicine.anatomical_structure ,medicine.symptom ,business ,030217 neurology & neurosurgery - Abstract
Spinal cord herniation (SCH) is an uncommon traumatic event that should be considered in patients with vertebral fractures who develop an unusual constellation of autonomic and motor deficits. Herein, we describe a case of rapidly deteriorating neurological function following cervical spine fracture including sequelae such as bilateral lower-extremity weakness, loss of upper extremity motor function, and priapism. Decompression of the spinal cord allowed for the identification of the unusual herniation of the spinal cord and prevention of any further worsening of the neurological injury. Hyperflexion of the cervical spine upon traumatic impact provided the impetus for vertebral retropulsion and subsequent incarceration of the spinal cord. This phenomenon should be considered in the setting of acute traumatic injury to the cervical spinal cord. Surgical intervention is likely to allow the preservation of the remaining neurological function.
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- 2019
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5. Endoscopic Endonasal Surgery for the Resection of a Cavernous Hemangioma with a Sellar Extension
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Andrew C White, Richard K. Downs, Brian J. Williams, Eyas M. Hattab, Mohammed Al Ghamdi, Rob T Hruska, Nicolas K Khattar, Jesse J. Savage, Shawn W Adams, and Alexandra S. Schaber
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medicine.medical_specialty ,Endoscopic endonasal surgery ,Neurosurgery ,Resection ,Hemangioma ,Lesion ,03 medical and health sciences ,0302 clinical medicine ,Pathology ,medicine ,medicine.diagnostic_test ,business.industry ,General Engineering ,Magnetic resonance imaging ,medicine.disease ,sellar lesion ,030220 oncology & carcinogenesis ,Cavernous sinus ,Radiology ,Differential diagnosis ,medicine.symptom ,endoscopic endonasal surgery ,business ,cavernous hemangioma ,030217 neurology & neurosurgery - Abstract
Cavernous hemangiomas with an intrasellar extension are very rare, generally benign lesions that manifest by the compression of nearby structures. The presenting symptoms usually range from visual disturbances to an endocrine imbalance. Occasional extension into the cavernous sinus has been reported, which can cause cranial nerve compression. We present the case of a 69-year-old man presenting with facial pain and decreased libido. On investigation, a lesion was identified and the parasellar region was homogeneously hyper-intense on gadolinium-enhanced magnetic resonance imaging (MRI). Endoscopic endonasal surgery remains one of the favored approaches for the resection of sellar lesions. Such pathology needs to remain on the neurosurgeon’s differential diagnosis, making an intraoperative frozen section of these lesions a useful tool in the surgeon's armamentarium, to guide further surgical resection.
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- 2018
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