Philip N. Okafor

ORCID: 0000-0003-1695-7491
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About
Contact & Profiles
Research Areas
  • Inflammatory Bowel Disease
  • Pancreatic and Hepatic Oncology Research
  • Pneumocystis jirovecii pneumonia detection and treatment
  • Microscopic Colitis
  • Tuberculosis Research and Epidemiology
  • COVID-19 and healthcare impacts
  • Liver Disease and Transplantation
  • Colorectal Cancer Surgical Treatments
  • Eosinophilic Esophagitis
  • Colorectal Cancer Screening and Detection
  • Diverticular Disease and Complications
  • Immunodeficiency and Autoimmune Disorders
  • Liver Disease Diagnosis and Treatment
  • Gastrointestinal Bleeding Diagnosis and Treatment
  • Bariatric Surgery and Outcomes
  • Global Health Workforce Issues
  • Esophageal and GI Pathology
  • Gastrointestinal motility and disorders
  • Healthcare Policy and Management
  • Stoma care and complications
  • Healthcare cost, quality, practices
  • Palliative Care and End-of-Life Issues
  • Pancreatitis Pathology and Treatment
  • Clostridium difficile and Clostridium perfringens research
  • Economic and Financial Impacts of Cancer

Stanford University
2018-2024

Jacksonville College
2022-2024

Mayo Clinic in Florida
2022-2024

Interfaith Medical Center
2024

Western University
2024

WinnMed
2015-2024

Miami Heart Research Institute
2024

Queen's University
2024

Washington University in St. Louis
2024

University of Port Harcourt Teaching Hospital
2023

Patients with inflammatory bowel disease (IBD) may be at increased risk for pneumocystis jiroveci pneumonia (PCP). Our aims were (1) to determine the incidence and relative of PCP in IBD (2) describe medication exposures patients PCP.We performed a retrospective cohort study case series using administrative data from IMS Health Inc, LifeLink Plan Claims Database. In cohort, matched 4 individuals no claims. was evaluated by rate ratio adjusted Cox proportional hazards modeling. The...

10.1097/mib.0b013e3182802a9b article EN Inflammatory Bowel Diseases 2013-03-09

Intestinal infections are common in patients with inflammatory bowel disease (IBD) and may mimic IBD flares. In this study, we estimate the changing incidence of intestinal among hospitalizations assess impact on key hospitalization metrics.The National Inpatient Sample (NIS) was analyzed for from between 1998 2014. were identified using ICD-9-CM codes, each infection calculated Crohn's (CD) ulcerative colitis (UC). Linear logistic regression analyses used to effects duration, charges,...

10.1093/ibd/izy086 article EN Inflammatory Bowel Diseases 2018-05-02

The impact of the Coronavirus disease-2019 (COVID-19) pandemic on patients with liver disease is not well described at population level in United States. We used largest, nationwide inpatient dataset to describe outcomes States during first year (2020) using 2018 and 2019 as comparator years.Using National Inpatient Sample (2018-2020), we explored year-to-year 2020 month-to-month trends hospitalizations, length stay, mortality for liver-related complications including cirrhosis,...

10.1111/jgh.16170 article EN Journal of Gastroenterology and Hepatology 2023-03-08

Gastrointestinal tract cancers account for a significant proportion of the national cancer burden.We sought to explore patient- and hospital-level determinants palliative care utilization among patients hospitalized with metastatic gastrointestinal using database.An analysis 2012 National Inpatient Sample was performed. International Classification Diseases, Ninth Revision codes were used identify hospital discharges associated digestive patient/hospital covariates inclusion in logistic...

10.1177/1049909115624373 article EN American Journal of Hospice and Palliative Medicine® 2015-12-31

There is a lack of data on the impact readmission to same vs different hospital following an index discharge in cirrhosis patients.We sought describe rates and predictors different-hospital readmissions (DHRs) among patients with also determine outcomes including all-cause inpatient mortality costs. Using national database, we identified hospitalizations 2013. Regression analysis was used DHRs. A time-to-event performed assess subsequent mortality.In 2013, there were 109,039 67% these being...

10.14309/ajg.0000000000000050 article EN The American Journal of Gastroenterology 2019-01-18

The impact of the coronavirus on hospitalizations for gastrointestinal (GI) disease, particularly at a population level is understudied.To investigate trends in hospitalizations, inpatient endoscopy resource utilization, and outcomes during first year pandemic subsequent lockdowns.Using California State Inpatient Database 2018-2020, we explored year-to-year 2020 month-to-month length stay, mortality (all-cause & viral pneumonia-specific) common GI diagnoses including acute pancreatitis,...

10.3748/wjg.v29.i4.744 article EN cc-by-nc World Journal of Gastroenterology 2023-01-20

The use of combination immunosuppressive agents is associated with reports pneumocystis jiroveci pneumonia (PJP). aim this study was to determine practice patterns among gastroenterology providers for PJP prophylaxis in patients inflammatory bowel disease (IBD) on therapy.An internet-based survey 14 questions sent through e-mail a random sampling 4000 gastroenterologists, nurse practitioners, and physician assistants between November 2011 February 2012. Three reminder e-mails were who had...

10.1097/mib.0b013e31828029f4 article EN Inflammatory Bowel Diseases 2013-02-22

The aim of this study was to the prevalence exocrine pancreas insufficiency (EPI) at a population level and subsequent risk pancreatic ductal adenocarcinoma (PDAC).

10.1097/mpa.0000000000002359 article EN Pancreas 2024-04-30

We sought to characterize the relationship between hospital inpatient racial diversity and outcomes for African-American patients including rates of major complications or mortality during hospitalization five common gastrointestinal diagnoses.Using 2012 National Inpatient Sample database, was defined as percentage discharged from each hospital. Logistic regression used predict complication death, long length stay, high total charges. Control variables included age, gender, payer type,...

10.1038/ajg.2016.64 article EN The American Journal of Gastroenterology 2016-03-22

BackgroundSeveral studies have demonstrated an increased risk of nonmelanoma skin cancer (NMSC) in patients with inflammatory bowel disease, the greatest Crohn's disease (CD). We investigated cost-effectiveness NMSC screening CD.

10.1097/01.mib.0000435850.17263.13 article EN Inflammatory Bowel Diseases 2013-11-05

Abstract Background and Aim Optimal rectal cancer (RC) outcomes depend on accurate locoregional staging. The study sought to describe the impact of endoscopic ultrasound (EUS) RC treatment patterns survival. Methods Using Surveillance, Epidemiology, End Results‐Medicare database, identified patients with between 2005 2007. excluded stage IV disease, those not enrolled in Medicare parts A B, managed care, staged pelvic magnetic resonance imaging (because low numbers). then compared who...

10.1111/jgh.14098 article EN Journal of Gastroenterology and Hepatology 2018-01-26

Readmission within 30 days occurs in up to 18% of admitted patients with ulcerative colitis (UC). The importance postdischarge follow-up a gastroenterologist as well the optimal interval is unknown.

10.1093/ibd/izad207 article EN Inflammatory Bowel Diseases 2023-09-21

Abstract Background Homelessness is an important public health issue with a prevalence around 4.2% in the United States. has been associated lack of access to healthcare services, poor quality care, and negative outcomes. However, there limited data on clinical outcomes among homeless individuals Crohn’s disease (CD). Aims In this study, we examine inpatient including endoscopy utilization, surgical treatment, post-operative complications patients CD. Methods The Healthcare Utilization...

10.1093/jcag/gwad061.118 article EN cc-by Journal of the Canadian Association of Gastroenterology 2024-02-14

Abstract Background There is evidence that gastrointestinal disease (GI) outcomes are poorer among patients from underrepresented backgrounds. However, the impact of hospital patient racial diversity on GI understudied. Aims We aimed to investigate Methods Using 2019 National Inpatient Sample (NIS), was defined by percentage Hispanic or Indigenous American discharged each hospital. discharge diagnoses were diagnostic related group. included bleeding, inflammatory bowel diseases, obstruction,...

10.1093/jcag/gwad061.099 article EN cc-by Journal of the Canadian Association of Gastroenterology 2024-02-14
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