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Richard Wismayer

Publications (19)

Surgical Resection for Colorectal Cancer Improves Survival in Uganda

Richard Wismayer, Julius Kiwanuka, Henry Wabinga & Michael Odida · Journal of Advances in Medicine and Medical Research · 2022

Introduction: In Uganda and other developing low-income countries in Sub-Saharan Africa, colorectal carcinoma (CRC) incidence and mortality rates are increasing whereas in high income developed countries, CRC rates are declining. Many patients do not have access to curative surge...

Open access Research Article 10.9734/jammr/2022/v34i831339

Survival Outcomes of Histopathological Subtypes of Colorectal Adenocarcinoma in Ugandan Patients

Richard Wismayer, Julius Kiwanuka, Henry Wabinga & Michael Odida · Journal of Advances in Medicine and Medical Research · 2021

Background:  High grade mucinous adenocarcinomas have been found to be more common in younger patients and are associated with a poor prognosis in the West. In Uganda, survival outcomes of the different histopathologic subtypes of colorectal adenocarcinoma (CRC) and lymphovascula...

Open access Research Article 10.9734/jammr/2021/v33i2431229

Perspectives Associated with an Increase in the Incidence of Colorectal Adenocarcinoma in Uganda

Richard Wismayer · Journal of Advances in Medicine and Medical Research · 2021

This paper is a current review of work done on colorectal adenocarcinoma in Uganda highlighting the perspectives in the increased rate of cases observed in our hospitals. A steady increase of CRC in other Sub-Saharan African countries is currently being documented however this is...

Open access Research Article 10.9734/jammr/2021/v33i1630999

Mesenteric Venous Thrombosis in a Referral Hospital in East Africa: A Retrospective Study of Four Cases

Richard Wismayer · Journal of Advances in Medicine and Medical Research · 2021

Introduction: Acute mesenteric venous thrombosis is a rare condition with the most common site of thrombosis development being the superior mesenteric vein. Patients predisposed to this condition tend to develop a disruption to Virchow’s triad of endothelial injury, stasis and hy...

Open access Research Article 10.9734/jammr/2021/v33i1330961

Day Case Surgery: The Way Forward for Elective Surgery in Developing Countries

Richard Wismayer · Journal of Advances in Medicine and Medical Research · 2021

The established principle of ambulating surgical patients as early as possible lies behind the concept of day case surgery currently being practised worldwide. There is a lag in day surgery practise between the developed and the developing world. In the last decades, freestanding...

Open access Research Article 10.9734/jammr/2021/v33i1130932

Adult Intussusception in a Referral Hospital in Sub-Saharan Africa: Case Report and Literature Review

Richard Wismayer · Journal of Advances in Medicine and Medical Research · 2021

Introduction: Adult intussusception is a rare form of bowel obstruction which constitutes less than 5% of all cases of intussusception. In Sub-Saharan Africa, adult intussusception is not a rare cause of bowel obstruction. It is usually caused by a lead point which may be maligna...

Open access Research Article 10.9734/jammr/2021/v33i530847

Laparoscopic Surgery in a Developing Country in East Africa: An Audit at the Initial Part of a Surgeons’ Learning Curve

Richard Wismayer · Journal of Advances in Medicine and Medical Research · 2020

Background: In many surgical conditions, laparoscopic surgery has been used for surgical access. In the West, laparoscopic cholecystectomy is the gold standard treatment for           cholecystitis. On the other hand controversy has been generated with laparoscopic appendicectomy...

Open access Research Article 10.9734/jammr/2020/v32i1930672

Familial Adenomatous Polyposis Coli in East Africa: A Case Report and Review of the Literature

Richard Wismayer · Journal of Advances in Medicine and Medical Research · 2020

Introduction: Familial adenomatous polyposis (FAP) is a rare diagnosis in East Africa. The author reports a case of a 21 year old gentleman presenting with occasional passage of blood stained stool, and found to have familial adenomatous polyposis coli. This is followed by a lite...

Open access Research Article 10.9734/jammr/2020/v32i1730647

Mucinous Adenocarcinoma of the Colon in Uganda: A Case Report and Literature Review

Richard Wismayer · Journal of Advances in Medicine and Medical Research · 2020

Introduction: In Uganda, the Kampala Cancer Registry has reported a steady increase in the incidence of colorectal carcinoma(CRC) over the last few decades. The author reports a case of a 25 year old gentleman presenting with bowel obstruction and found to have mucinous adenocarc...

Open access Research Article 10.9734/jammr/2020/v32i830475

Factors Influencing Outcome of Management of Sigmoid Volvulus in Northern Uganda: A Prospective Observational Study

David Lagoro Kitara & Richard Wismayer · Journal of Advances in Medicine and Medical Research · 2014

Aims: To determine the factors that influence outcome of management of sigmoid volvulus in Northern Uganda Study Design: A prospective observational study was conducted on 103 sigmoid volvulus patients admitted and surgically managed in 19 hospitals in northern Uganda and followe...

Open access Research Article 10.9734/BJMMR/2015/12283

Retracted: Incidence of Sigmoid Volvulus in Northern Uganda: A Cross-Sectional Study Design

David Lagoro Kitara & Richard Wismayer · Journal of Advances in Medicine and Medical Research · 2014

Aims: To determine the incidence of sigmoid volvulus in Northern Uganda. Study Design: A cross-sectional (2 years retrospective and one year prospective) study design was conducted on patients’ medical records and those admitted, surgically managed or referred from the 19 hospita...

Open access Research Article 10.9734/BJMMR/2015/12451