Circulating vaccine derived polio virus type 2 outbreak and response in Yemen, 2021-2022, a retrospective descriptive analysis.

Background: The outbreaks of circulating Vaccine Derived Polio Viruses (cVDPVs) have emerged as a major challenge for the final stage of polio eradication. In Yemen, an explosive outbreak of cVDPV2 was reported from August 2021 to December 2022. This study aims to compare the patterns of cVDPV2 outbreak, response measures taken by health authorities, and impacts in southern and northern governorates.

Cost saving in primary versus tertiary level of reproductive health services in Sana'a, Yemen, 2013: a comparative cross-sectional study.

Objectives: To estimate the cost saving for utilisation of vaginal delivery (VD), antenatal care (ANC) and an intrauterine device (IUD) services at primary health level facilities (PHLF) instead of tertiary health level facilities (THLF) in Sana'a.

Design: A comparative cross-sectional study.

Setting: Eight PHLF in Sana'a governorate and three THLF in Sana'a city.

Prevalence of serological markers and nucleic acid for blood-borne viral infections in blood donors in Al-Baha, Saudi Arabia.

Introduction: Data on blood-borne viral infections in some regions in Saudi Arabia remain scarce. This study investigates the prevalence of serological markers and nucleic acid for blood-borne viruses among blood donors in Al-Baha, Kingdom of Saudi Arabia.

Methodology: In this cross-sectional study, 2,807 donors who donated blood between January 2009 and November 2011 were investigated for blood-borne viral serological markers including HBsAg, anti-HBc, anti-HBs, anti-HCV, anti-HIV, and anti-HTLVI/III in addition to viral nucleic acid.

HIV knowledge and stigmatization among adolescents in Yemeni schools.

The number of assessments on HIV knowledge and stigmatization among adolescents in Yemen is still very limited. This cross-sectional study aimed to have a better understanding on the level of knowledge on HIV transmission and prevention. Also, this study explored the level of stigma and discrimination among students toward people living with HIV (PLWH).

Effect of breastfeeding on growth in Yemeni infants.

Objective: To estimate the prevalence of effective breastfeeding (EBF) practice and its association with weight of young infants, mother's education, employment status, and parity.

Methods: The study is a cross-sectional, conducted in Dula Health Center in Sana'a city, the capital of Yemen during the year 2003. Six hundred and twenty-one mothers and their exclusively breastfed apparently healthy infants attended to the health center for immunization were enrolled in the study.

Prevalence of coronary risk factors, clinical presentation, and complications in acute coronary syndrome patients living at high vs low altitudes in Yemen.

Background: A comparative retrospective study was performed to compare the distribution of risk factors and complications in patients with acute coronary syndrome (ACS) at high-altitude vs low-altitude areas in Yemen.

Methods: The records of 768 patients from Sana'a (high altitude) and Aden (low altitude) were reviewed. Risk factors assessed were age, hypertension, diabetes mellitus, hyperlipidemia, cigarette smoking, and reported history and family history of coronary artery disease (CAD).

Overweight and obesity among schoolchildren in Sana'a City, Yemen.

Aim: To estimate the prevalence of overweight and obesity among schoolchildren in Sana'a City (Yemen) and to examine the association with lifestyle and some socioeconomic factors.

Methods: A cross-sectional study was done in public and private schools in Sana'a City during 2002-2003. We selected 1,253 students by the multistage random sampling technique.

Frequency and treatment of urinary tract infection in children subjected to urine culture, in Sana'a, Yemen.

Background: This study was carried out to estimate the frequency of urinary tract infection among children subjected to urine culture presenting to Sam Hospital, Sana'a city, Yemen and to determine the susceptibility of the isolated bacteria to the antibiotics.

Methods: Record-based study was done in Sam hospital in Sana'a city Yemen during three years 1/1/1999-31/12/2001. Out of 70,500 patients seen for different causes through that period 820 (1.

Prevalence of hypocalcemia in children examined for serum calcium in Sana'a, Yemen.

Objective: To estimate the prevalence of hypocalcemia in children examined for serum calcium.

Methods: A record-based study was carried out in the Specialized Pediatric Center in Sana'a city, Yemen during the 4 year period 1999 to 2003. Out of 90600 patients seen for different causes, 310 (0.

Effect of gentamicin on serum digoxin level in patients with congestive heart failure.

Objective: Gentamicin is frequently used to treat infectious diseases in patients receiving digitalis therapy. The aim of this study is to evaluate the effect of gentamicin on serum digoxin level.

Method: Twenty-four diabetic patients and patients with congestive heart failure and twelve normal healthy volunteers were enrolled in this study.

Chlamydia trachomatis infections among Yemeni school pupils in relation to environmental conditions.

Objective: This study is aimed at establishing the prevalence of Chlamydia trachomatis infections among school pupils in Sana'a, Republic of Yemen, and to explore the association of infection with environmental and social factors.

Methods: A total of 787 school children, 529 boys and 258 girls, were randomly selected for enrollment in this study. Four hundred and twenty-nine were from 4 schools in Sana'a city, and 358 from 3 rural schools around Sana'a, Republic of Yemen.

Coverage and perceptions of Medical Sciences students towards hepatitis B virus vaccine in Sana'a City, Yemen.

Objective: The present study was conducted to estimate vaccination coverage against hepatitis B virus and the perceptions of 1198 medical sciences students in Sana'a City, Yemen.

Methods: Only those who practice clinical training or are in contact with body fluids were included. The students were enrolled in the Faculty of Medicine and Health Sciences, Sana'a University, Republic of Yemen.

Clinical and experimental evaluation of the effect of Khat-induced myocardial infarction.

Objective: To evaluate the effect of Khat-induced myocardial infarction (MI) in Yemen.

Methods: One hundred and twenty patients with MI, admitted to Al-Thawra Hospital, Sana'a City, Yemen, during the year 2001 and 120 volunteer controls were collected for this study. On the other hand, we used 48 adult male rabbits for this study and divided it into 8 groups.

Rate and risk factors of surgical site infections with antibiotic prophylaxis.

Objective: This study is aimed at determining the incidence of surgical site infections, with antibiotic use. Furthermore, to correlate infection with type of operations, length of intervention, number of stitches, pre-operative hospitalization, age and sex of the patient.

Methods: All Yemeni patients (N=601) who underwent surgical intervention, with preoperative antibiotic prophylaxis, at Al-Kuwait University Hospital, Sana'a, Republic of Yemen, during 1st August 2000 through to 30th November 2000 were followed up until stitch removal or discharge.