Medicine and Health Sciences Commons^™

Investigating Mpm-Iii, Sofa And Delta Sofa Scoring Systems As Predictors Of Mortality At A Tertiary Hospital In Nairobi, Kenya: A Retrospective Cohort Study, Lilian Lukoko

Theses & Dissertations

Background: Despite major advances, management of critically ill patients worldwide is associated with high mortality rates. Assessment of disease severity is crucial in the analysis of ICU mortality. Although a variety of severity of illness scoring systems have been developed for this assessment and validated across Europe and the USA, few studies exist to show support of their utilization in African countries. There is conflicting evidence regarding the most reliable severity of illness scoring system suitable for resource limited countries as their mortality predictive values differ with different populations. SOFA is already in use at the AKUHN ICU and has …

Factors Associated With Substance Use Among Adolescents Living With Hiv In Kenya, Wambui Kagucia

Theses & Dissertations

Background: Substance use is rife in our society and adolescents (10-19 years) do face this problem during this vulnerable period of growth and development. Use of substances is known to be associated with poor health choices and risky sexual behaviour. Since the advent of antiretroviral therapy (ART), significant progress has been made with reduced rates of mother to child transmission (MTCT) and a general downward global trend in acquired immunodeficiency disease (AIDS) related mortalities. However, human immunodeficiency virus (HIV)/AIDS is still a leading cause of mortality in adolescents living in Sub Saharan Africa, with an upward trend in new HIV …

Assessment Of Patient Satisfaction With Primary Health Care At The Family Medicine Centre Of Aga Khan University Hospital, Nairobi, Alvin M. Juma

Theses & Dissertations

Background: Patient satisfaction is one of the key indicators by which the quality of healthcare service is evaluated. The World Conference of Family Doctors African Chapter's (WONCA-Africa) encourages Family Medicine practices to regularly assess their patients' satisfaction as one of the criteria for benchmarking and auditing the quality of primary care in Africa. The Kenyan government, in a quest to improve primary care provision, has formulated policy to make family physicians essential players in coordinating and enhancing standards of primary care.

Objective: This study aimed to assess patient satisfaction with the quality of primary health care services provided by family …

Evaluation Of Breast Cancer Biomarkers Using Genexpert® On Core Biopsy-A Retrospective Laboratory Based Validation Study., Erick Chesori

Theses & Dissertations

Introduction: Breast cancer is the most common malignancy in women worldwide. It is a significant cause of cancer related morbidity and mortality among Kenyan women. Evaluation of Estrogen receptor (ER), Progesterone receptor (PR), and Human epidermal growth factor receptor 2 (HER2) in breast cancer tissue is standard of care as these biomarkers have been shown to have both prognostic and predictive utility. Immunohistochemistry (IHC) is the gold standard for evaluation of ER/PR/HER2, but its availability in Kenya is limited due to the high operational cost. There have been recent developments in alternative cheaper and readily accessible molecular based testing platforms …

The Causes And Effects Of Attrition From Post-Graduate Residency Programs At The Aga Khan University Hospital, Nairobi., Dennis Wamalwa

Theses & Dissertations

Background: Resident attrition is a global problem affecting most postgraduate residency training programs. It not only disrupts the educational and workload balance in the program but also results in loss of valuable time invested by the resident who has to leave before completion. AKUHN has similarly been affected with a worrying increase in resident attrition numbers over the last few years. There is however a lack of local studies on resident attrition which would inform measures to address modifiable risk factors for resident attrition and thus prevent future attrition.

Objectives: To explore factors attributable to attrition amongst residents …

Acinetobacter Infections: A Retrospective Study To Determine In – Hospital Mortality Rate And Clinical Factors Associated With Mortality, Rajiv Patel

Theses & Dissertations

Background: Acinetobacter infections are increasingly being recognized as a cause for significant in – hospital morbidity and mortality worldwide. Increasingly multi – drug resistant strains of Acinetobacter are being isolated, increasing the burden on healthcare resources. Our objectives were to determine the outcomes and clinical factors related to outcomes of Acinetobacter infections at the Aga Khan University Hospital.

Methods: A retrospective study of Acinetobacter infections (from any site) was conducted. Patient records were used to gather relevant clinical information. The collected data was tabulated and analysed for any significant differences in demographic or clinical variables. The Pearson Chi squared test …

Women And Maternal Health Care Providers’ Perceptions, Beliefs And Attitudes Towards Use Of Epidural Analgesia For Labour Pain Relief, Stella Njenga

Theses & Dissertations

Background: Epidural analgesia (EA) is considered the gold standard for relief of labour pains due to its effectiveness, safety and flexibility of use. There is a disparity of utilization between high and low & middle income countries with lack of knowledge and resources implicated. Aga Khan University Hospital Nairobi is a well-resourced facility with a well-established EA service. This study explores the perceptions, beliefs and attitudes of women seen at the facility towards EA and how these affect their decision to use the method. It also explores health care providers’ views on the method and how they influence the women’s …

Association Of Tissue Vitamin D Receptor Expression With Breast Cancer Molecular Subtypes In Kenyan Women, Mutambuki Kimondo

Theses & Dissertations

Background: Previous studies have shown that reduced vitamin D receptor expression in breast cancer tissue is associated with worse disease outcomes. Furthermore, studies show that estrogen negative and triple negative breast cancer is associated with a poor prognosis and a low breast tissue vitamin D receptor (VDR) expression. Other studies also report that low serum vitamin D levels are associated with more aggressive breast cancer.

Methods: This was a cross-sectional study with both a retrospective and a prospective arm. The retrospective part was nested within a larger study; previously constructed tissue microarray blocks (TMA) blocks were used for analysis …

Prevalence And Factors Associated With Female Sexual Dysfunction Amongst Women Using Hormonal And Non-Hormonal Contraception At The Aga Khan University Hospital Nairobi Clinics, Momin Butt

Theses & Dissertations

Background: Female sexual function is a complex phenomenon. It integrates all the body systems and is influenced by a variety of factors. Contraceptives have been shown to have variable effects on female sexual function, but there have not been adequately powered studies on this in our setting.

Justification: The prevalence of female sexual dysfunction (FSD) has been shown to vary among different population subsets globally. The associations of different factors with FSD have also shown variable conclusions that are not generalizable to our setting. In Kenya there is a high discontinuation rate of contraception and this is mainly attributed to …

Prevalence Of Metastatic Disease In Newly Diagnosed Breast Cancer Patients As Seen On Contrast Enhanced Computed Tomography Of The Chest, Abdomen And Pelvis At The Aga Khan University Hospital, Nairobi., Gregory Obala

Theses & Dissertations

Introduction: Breast cancer patients have traditionally been screened for occult metastases with abdominal ultrasound, chest radiography and bone scan although the use of modern tests with greateraccuracy such as computed tomography (CT), 2-[fluorine-18] fluoro-2-deoxy-d-glucose positron emission tomography (FDG PET) and Magnetic resonance (MR) imaging is on the increase. The use of contrast enhanced CT (CECT) in the staging of patients with newly diagnosed breast cancer has increased greatly in clinical practice in view of it being widely available and relatively cheapwhen compared to other modalities such as MRI and PET imaging. The clinical utility of routine staging CECT is …

Two To Nine Year Review Of Breast Conservation Therapy (Bct) For Breast Carcinoma: Clinico-Pathological Features And Survival In A Single Centre In East Africa, George Orerah

Theses & Dissertations

Introduction: Breast conservation therapy compares to mastectomy in terms of overall survival and disease free survival. However it’s utilization in most parts of the sub-Sahara Africa is minimal with various factors cited: patient preference, provider preference and adverse effects of or limited access to radiation therapy. The aim of this study was to determine the clinico-pathological profile and outcomes of breast cancer patients treated with breast conservation therapy or mastectomy at a single referral centre.

Methods: The Aga khan university hospital is one of the institutions in East Africa, where breast conservation therapy is practiced. We retrospectively analysed the details …

Determining The Level Of Agreement For Atherosclerotic Cardiovascular Disease Risk Stratification Between Coronary Artery Calcium Score And Traditional Cardiovascular Risk Models., Menge Kuria

Theses & Dissertations

Introduction: Estimating the risk of future cardiovascular (CV) events is an essential step in the management and prevention of cardiovascular diseases. Many cardiovascular risk tools are available such as the Framingham Risk Score (FRS), the American Heart Association/ American College of Cardiology (AHA/ACC) and the International Society of Hypertension and World Health Organization (ISH/WHO) risk charts. Regrettably, none of these tools has yet to be validated based on data from our Kenyan population. This study, therefore, sought to compare the accuracy of FRS and ACC/AHA in a Kenyan population. The risk estimates derived from the CV tools were correlated with …

Factors Associated With Development Of Retinopathy Of Prematurity In Three Private Tertiary Hospitals In Kenya, Annette A. Metho

Theses & Dissertations

Introduction: Retinopathy of prematurity (ROP) is a condition that affects mainly premature infants. It’s characterized by abnormal retinal vascular growth which in its most severe form can result in blindness due to retinal detachment, and in less severe untreated forms, can result in marked visual impairment. Retinopathy of prematurity is one of the preventable causes of blindness.

Research Question: What are the factors associated with development of retinopathy of prematurity in screened preterm infants in three private tertiary hospitals in Kenya?

Study Objectives: This study aimed to identify factors associated with development of retinopathy of prematurity in screened preterm infants …

A Comparison Of Caesarean Section Rates Before And After Introduction Of Free Maternity Services At Maragua Level Iv Hospital, Grace Rwamba

Theses & Dissertations

Introduction: At population level, a caesarean section (CS) rate between 10 and 15 percent is considered optimal for maternal and infant health outcomes and a useful process indicator of quality of care. However, that there has been a worldwide increase of CS rates in the past three decades. Compared to vaginal birth, questions abide of appropriateness, balance of risk versus benefit and cost implications to the health care system. Introduction of free maternity services (FMS) in June 2013has been known to increase health facility deliveries. However it may affect the quality of care offered in these facilities due to a …

Reference Intervals For Prothrombin Time And Activated Partial Thromboplastin Time Derived From Black African Blood Donors At A University Teaching Hospital In Nairobi, Kenya, Abubakar Abdillah

Theses & Dissertations

Introduction: Prothrombin time (PT) and activated partial thromboplastin time (APTT) are important coagulation screening tests that give an insight into how well the extrinsic and intrinsic arms of the coagulation cascade are performing. For correct interpretation of laboratory results and avoidance of errors and misdiagnosis, population specific RIs are most appropriate. In a healthcare setting, it is up to the laboratory to establish RIs for use for the particular analytes that they run, or at least verify the RIs availed by the manufacturer of the reagents for a particular analyte.

Objectives: This study aimed to establish reference intervals (RIs) for …

Difference In The Level Of Utilization And Determinants Of Preconception Care Among Pregnant Women In Aga Khan University Hospital And Maragua Level Four Hospital., Joan Okemo

Theses & Dissertations

Background: Preconception care (PCC) is an important form of primary health care that aims to identify risks, offer patient education and evidence based interventions prior to conception in order to improve maternal and fetal short and long term health outcomes. Despite the benefits of PCC, the global levels of utilization are still low, more so in developing countries and in the rural settings. This study aimed to determine the difference in the level and determinants of PCC in both urban and rural settings in Kenya.

Objectives: The primary objective of this study was to compare PCC among pregnant women in …

Long-Term Outcomes And Factors Associated With Mortality Among Patients With Moderate To Severe Pulmonary Hypertension In Kenya, Abdulaziz Mansur Abeid

Theses & Dissertations

Background: Pulmonary hypertension (PH) is a condition that carries significant morbidity and mortality. Studies done in sub-Saharan Africa have reported poor short-term outcomes. However, data on long-term outcomes and prognostic factors are lacking.

Objectives: This study sought to determine the one and two-year survival rates and prognostic factors associated with mortality in patients with moderate to severe PH.

Methods: A retrospective review of moderate to severe PH patients [pulmonary artery systolic pressure (PASP), ≥45 mmHg] diagnosed at Aga Khan University Hospital, Nairobi from 2014 to 2017 was carried out. Demographic, clinical and in hospital outcome data were extracted from medical …

A Randomized Control Trial Of English-Speaking Advanced Cancer Patients At Akus Medical And Surgical Clinics And The Impact On Qol Of One Session Of Dignity Therapy, Miriam Gatehi-Muriithi

Theses & Dissertations

Background: Palliative care is a modality of treatment that addresses physical, psychological and spiritual symptoms. Dignity therapy, a form of psychotherapy, was developed by Professor Harvey Chochinov, MD in 2005.

Methods: This was a randomized control trial of 144 patients (72 in each arm) randomized into group 1 (intervention arm) and group 2 (control arm). Baseline ESAS scores were determined in both arms following which group 1 received Dignity therapy while Group 2 received usual care only. Data collected was presented as Legacy documents to group 1 participants. Post intervention ESAS scores were obtained in both groups after 6 weeks. …

Comparison Of Xpert Mtb/Rif With Histology For The Detection Of Mycobacterium Tuberculosis In Formalin Fixed Paraffin Embedded Tissues At Aga Khan University Hospital, Nairobi, Njau Allan Njoroge

Theses & Dissertations

Background: Diagnosis of extrapulmonary tuberculosis (EPTB) continues to be a challenge due to the complexity of the causative organism and the wide array of pathologic features seen in this infection. A number of studies have shown polymerase chain reaction (PCR) for EPTB to be a feasible, sensitive and specific test for diagnosis of tuberculosis (TB) of which, the World Health Organisation (WHO) has given recommendations. As pertains EPTB, Xpert MTB/RIF may be used in place of conventional tests such as microscopy, histopathology and culture in lymph nodes and other tissues from patients suspected to have EPTB. It has been demonstrated …

Factors Associated With Late Diagnosis Of Congenital Heart Disease In Kenya, Mercy Chebet Ng’Eno-Owino

Theses & Dissertations

Introduction: Congenital heart disease (CHD) is the most common congenital anomaly (one-third of all congenital anomalies) with a global birth prevalence of 8/1,000 live births. About 30-50% of all CHD can be categorized as those that will result in death or long-term disability if surgery or catheter-based intervention is not done within one year (major CHD) or four weeks (critical CHD). Early diagnosis of CHD with subsequent prompt surgical/catheter-based interventions has been associated with better outcomes. In this study, late diagnosis of CHD is defined as cases of CHD diagnosed after the first year of life. Knowledge on presentations of …