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Koffi Wima
University of Cincinnati Academic Health Center
SurgeryLiver transplantationDiabetes mellitusGeneral surgeryMedicine
73Publications
14H-index
549Citations
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Publications 76
Newest
#1Tiffany C. Lee (University of Cincinnati Academic Health Center)H-Index: 1
#2Koffi Wima (University of Cincinnati Academic Health Center)H-Index: 14
Last. Sameer H. Patel (University of Cincinnati Academic Health Center)H-Index: 14
view all 8 authors...
BACKGROUND: Proximal (duodenal) small bowel adenocarcinomas have a worse prognosis than distal (jejuno-ileal) tumors, but differences in patient, tumor, and treatment factors between locations remain unclear. METHODS: Patients in the National Cancer Database with surgically resected pathologic stage I-IV small bowel adenocarcinomas between 2004 and 2015 were analyzed. Clinical stage IV patients were excluded. RESULTS: Proximal tumors (n = 3767) were more likely to be higher grade (OR 1.52, CI 1....
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#1Al-Faraaz Kassam (University of Cincinnati Academic Health Center)H-Index: 1
Last. Shimul A. ShahH-Index: 32
view all 6 authors...
Abstract Background Preoperative narcotic use impacts hospital cost and outcomes in surgical patients, but the underlying reasons are unclear. Methods A single-center retrospective analysis was performed on surgical patients admitted with intestinal obstruction (2010–2014). Patients were grouped into active opioid and nonopioid user cohorts. Active opioid use was defined as having an opioid prescription overlapping the date of admission. Chronic opioid use was defined by duration of use ≥ 90 day...
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#1Tiffany C. Lee (UC: University of Cincinnati)H-Index: 1
#2Koffi Wima (UC: University of Cincinnati)H-Index: 14
Last. Sameer H. Patel (UC: University of Cincinnati)H-Index: 14
view all 27 authors...
BACKGROUND: Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS-HIPEC) results in significant morbidity and readmissions. Previous studies have been limited by single-institution design or lack of tumor details in the database used. METHODS: The 12-institution US HIPEC Collaborative Database was queried between 1999 and 2017. Preoperative and intraoperative patient and tumor details were analyzed for associations with readmissions. RESULTS: A total of 2017 of 2372 cases were...
5 CitationsSource
#1Nick C. Levinsky (University of Cincinnati Academic Health Center)H-Index: 3
#2Mackenzie C. Morris (University of Cincinnati Academic Health Center)H-Index: 1
Last. Sameer H. Patel (University of Cincinnati Academic Health Center)H-Index: 14
view all 28 authors...
Background Appendiceal adenocarcinoma with signet ring cells (SCA) is associated with worse overall survival (OS), and it is unclear whether cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (CRS-HIPEC) should be pursued in this patient population. We assessed the prognostic implications of signet ring cells in patients with appendiceal adenocarcinoma and peritoneal carcinomatosis undergoing CRS-HIPEC.
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#1Tiffany C. Lee (University of Cincinnati Academic Health Center)H-Index: 1
#2Koffi Wima (University of Cincinnati Academic Health Center)H-Index: 14
Last. Sameer H. Patel (University of Cincinnati Academic Health Center)H-Index: 14
view all 7 authors...
Abstract Background Cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (HIPEC) remains a formidable operation associated with considerable morbidity. It is unclear how often these patients require reoperation for postoperative complications and if the need for reoperations leads to worse long-term outcomes. Methods The Peritoneal Surface Malignancy Database at a single center was retrospectively queried. Out of 149 entries, 141 HIPECs performed between 2012 and 2018 met inclusi...
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#1Tiffany C. Lee (University of Cincinnati Academic Health Center)H-Index: 1
#2Vikrom K. Dhar (University of Cincinnati Academic Health Center)H-Index: 6
Last. Shimul A. Shah (University of Cincinnati Academic Health Center)H-Index: 32
view all 8 authors...
Abstract Background Patients undergoing complex surgery at safety net hospitals have been shown to suffer inferior short-term outcomes. Liver transplantation, one of the most complex surgical interventions, is offered at certain safety net hospitals. We sought to identify whether patients undergoing liver transplantation at safety net hospitals have inferior outcomes compared with lower burden centers. Methods Using a link between the University HealthSystem Consortium and Scientific Registry of...
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#1Nick C. Levinsky (University of Cincinnati Academic Health Center)H-Index: 3
#2Koffi Wima (University of Cincinnati Academic Health Center)H-Index: 14
Last. Julian GuitronH-Index: 5
view all 10 authors...
Abstract Objective Salvage and delayed esophagectomy after chemoradiation (CRT) have been associated with increased morbidity and mortality, but recent series have shown similar outcomes compared to timely esophagectomy. We aim to evaluate outcomes for delayed and salvage esophagectomy for esophageal adenocarcinoma utilizing a large national database. Methods The National Cancer Database was queried from 2004 to 2014 for patients with clinical stage II or III esophageal adenocarcinoma who underw...
3 CitationsSource
#1Tiffany C. Lee (University of Cincinnati Academic Health Center)H-Index: 1
#2Tiffany E. Kaiser (University of Cincinnati Academic Health Center)H-Index: 16
Last. Shimul A. Shah (University of Cincinnati Academic Health Center)H-Index: 32
view all 12 authors...
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Last. Ian M. PaquetteH-Index: 17
view all 8 authors...
Abstract Background The impact of recent preoperative opioid exposure on outcomes of colorectal surgery is unclear. Our aim was to evaluate the impact of preoperative opioid use on outcomes and opioid prescribing patterns after colorectal surgery. Methods We performed a retrospective review of all patients undergoing elective resection at a single institution from 2015 to 2017. Primary outcomes included in-hospital narcotic use and cost. Secondary outcomes included postoperative surgical outcome...
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#1Flavio Paterno (RU: Rutgers University)H-Index: 1
#2James V. Guarrera (RU: Rutgers University)H-Index: 24
Last. Shimul A. Shah (University of Cincinnati Academic Health Center)H-Index: 32
view all 8 authors...
1 CitationsSource
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