Nigerian Postgraduate Medical Journal最新文献

Objective: To evaluate the use of the Foetal Medicine Foundation (FMF) algorithm in routine practice for early pre-eclampsia (PE) screening in Libreville.

Materials and methods: We conducted a cohort study on pregnant women within their 11-13 + 6 weeks of gestation (WG). We had measured mean blood pressure (MBP), placental growth factor (PlGF), soluble Fms-like tyrosine kinase 1, Uterine Artery Pulsatility Index (UtA-PI) and resistance index (UtA-RI). Statistical analyses were considered significant for P < 0.05.

Results: There were 30 participants. At the first quarter (T1), 36.7% of them were at high risk of PE according to the FMF algorithm and were consequently prescribed aspirin (100 mg/d). By the end of the observation period, we have found a 13% incidence of PE. MBP was higher in the higher risk PE group than in the lower risk group as early as the T1 (90 ± 6 vs. 81 ± 6 mmHg; P = 0.0007, threshold is >86 mmHg/area under the curve (AUC) = 0.86; P = 0.0012). It was the same for PlGF (58 ± 24 vs. 88 ± 38 pg/ml; P = 0.03; threshold is <71.98 pg/ml/AUC = 0.73; P = 0.03). At the second quarter (20-27 WG), biochemical markers did not change between the two groups. UtA-RI, UtA-PI and notch were unconclusive individually, but they are still very important for FMF algorithm application.

Conclusion: Early detection of PE using the FMF algorithm is possible in routine practice in Gabon. MBP and PlGF levels at T1 seem to be very significant. However, the present study must continue to obtain the larger cohorts that would achieve more conclusive statistical analyses.

Background: Most of the predictive tools put up to prognosticate treatment outcomes in patients with chronic lymphocytic leukaemia (CLL) are not easily available and affordable in our resource-constrained environment.

Aim: The aim of this study was to evaluate the impact of staging and some tumour bulk on treatment outcomes of persons with CLL, Enugu, Nigeria.

Patients and methods: This is a 10-year review of the CLL data from the haemato-oncology unit of a Nigerian tertiary hospital to evaluate the impact of staging and tumour bulk indicators. Data were retrieved from the case notes of 102 patients with CLL receiving care at the facility. Data of interest include basic demographic variables, clinical features including spleen size and disease staging and blood counts. Statistical analysis was done using SPSS version 22.

Results: The median absolute lymphocyte count (ALC) was 108.05 (confidence interval [CI] = 50.8-201.3, interquartile range [IQR] = 124.4) ×109/L, and duration of survival for the study cohort was 5.5 (CI = 3.5-31.9, IQR = 27) months. Majority (69, 79.3%) were in Stage C. The Binet stage showed a significant association with the ALC (r = 0.338; P = 0.002) but not with spleen size (r = 0.198; P = 0.056). The duration of survival only showed a significant inverse relationship with the ALC (r = 0.35, P = 0.006) but with neither the Binet stage (r = 0.103, P = 0.431) nor spleen size (r = 0.184, P = 0.116).

Conclusion: In CLL patients, ALC at presentation correlates with the duration of survival. We recommend that the ALC at presentation be used as a prognostic marker in our clime.

Background: Vaccines, including COVID-19 vaccines, are known to be cost-effective interventions for disease prevention and control. However, adverse events following immunisation (AEFI) may challenge the acceptance of these vaccines. This study assessed the prevalence and severity of COVID-19-related AEFI amongst healthcare workers at tertiary health facilities in Nigeria.

Materials and methods: This descriptive, cross-sectional study was conducted among healthcare workers who had received the COVID-19 vaccine. A multi-stage sampling technique was used to select participants from six Tertiary Health Facilities in Nigeria. Ethical approval (NHREC/01/01/2007-19/07/2021) was obtained from NHREC. Data were analysed using IBM® SPSS version 25 and categorical variables were presented in tables/charts using frequencies and proportions.

Results: A total of 2130 respondents participated in the study, with a mean age of 37.4 ± 9.1 years. Most of the respondents, 1674 (78.6%), had two doses of the vaccine, and the overall prevalence of AEFI was 813 (38.2%). Common among the AEFI reported following the administration of the first dose of the vaccine were fever 649 (30.5%) and pain at the injection site 644 (30.2%), while it was pain at the injection site 216 (10.1%) and fever 173 (8.1%) for second dose. The higher proportions of AEFI were mostly mild to moderate.

Conclusion: The study observed a relatively low prevalence of AEFI, with the commonly reported ones being fever and injection site pain. It is crucial that countries continuously collect the data on AEFI and establish causality as a way to improve quality and guarantee vaccine safety.

Background: Hypertension is the leading risk factor for preventable cardiovascular-related complications and mortalities worldwide.

Materials and methods: A cross-sectional survey was conducted to assess the prevalence and factors associated with hypertension among 361 adults from four local government areas (LGAs) of Jigawa state identified to have high burden of kidney diseases. The Modified WHO STEPS questionnaire and multi-stage sampling technique were employed and data were analysed using IBM SPSS version 22.0.

Results: The age of the respondents ranged from 18 to 102 years with a median of 45 (interquartile range = 30-80) years. More than a quarter (34.9%) of the respondents were unemployed. Few reported history of alcohol ingestion (0.8%) and cigarette smoking (1.1%). The prevalence of systolic hypertension was 116 (32.1%), while that of diastolic hypertension was 133 (36.8%). Jahun LGA had higher cases (36.7%) of systolic hypertension, whereas Dutse LGA had higher cases (47.8%) of diastolic hypertension. Systolic hypertension was significantly higher (P < 0.001) among those >35 years of age. The odds of developing systolic hypertension were significantly lower among those between the ages of 18 and 35 years, and those between the ages of 18 and 35 years were less likely to have systolic hypertension than those above the age of 35 years (adjusted odds ratio = 9.0; 95% confidence interval = 4.6-17.6). Similarly, those who reported family history of diabetes and hypertension (P < 0.001) had a significantly higher proportion of systolic hypertension.

Conclusions: The prevalence of hypertension was alarming in the high burden kidney disease areas. The government should develop a sustainable model for the mass community screening of risk factors and community-based health insurance for the effective management of all identified cases.

Introduction: Tracheostomy is a life-saving procedure; the benefits and frequency of procedures being performed have led to frequent reviews of indication in many regions of the world. The aim is to establish the indications, diagnosis and complications of tracheostomy performed in the past 10 years in a tertiary hospital in Lagos.

Methods: This is a 10-year retrospective study of all patients who had tracheostomies for various indications from 2010 to 2019. Patient medical records were analysed for demographic profile, diagnosis, indication, elective or emergency tracheostomy, surgeon's rank, technique of decannulation and type of complications. All the variables in the data were imputed and analyzed using the IBM Statistical Package for the Social Sciences version 27. Continuous variables were presented as mean and standard deviation, whereas categorical variables were presented as frequency and percentage.

Results: Four hundred and eighty-six tracheostomies were carried out during the period under review, and 440 patients had complete data retrieved. The age group of 0-9 years constituted the most common age for tracheostomy (18%). The most common indication for tracheostomy was for relief of upper airway obstruction in 53.4%. Neoplasms (40%) and trauma (30.7%) constituted primary diagnosis requiring tracheostomies. Amongst the paediatric age group with upper airway obstruction, infections (31.8%) and foreign body inhalation (24.3%) constituted the most common primary diagnosis. Stoma infection and peristomal granulation tissue were the most common early complication (21.8%) and late complication (43.4%), respectively.

Conclusion: Relief of upper airway obstruction from neoplasm remains the most common indication for tracheostomy, and peristomal granulation infection was the most common complication.

This article provides insight into an aspect of the National Health Service (NHS) of the United Kingdom (UK) through the perspective of an overseas clinical observer. The NHS is a government-funded medical and health care service in the UK and has developed over the years providing a high standard of medical care and professionalism. The Clinical Observership Programme has been designed primarily for International Medical Graduates to experience how the NHS functions and the kind of services it offers. This article explores the overseas observer's experience in a surgical unit of the NHS including the organisational structure, delivery of care and challenges of the system. This article also highlights the observer's perspective of surgical care in the NHS compared to surgical care in low-resource income countries. The Clinical Observership is useful in learning about UK medical practice and gaining experience in a different cultural and professional environment. This is a reflective first-hand account based on personal experience.

Background: Infertility is a global public health issue affecting couples. Trace metals have been implicated in effective reproductive functions in males but less studied in females.

Objective: To compare the serum levels of copper (Cu), zinc (Zn), selenium (Se) and copper/zinc ratio in women with unexplained infertility and fertile women.

Subjects and methods: This was a cross-sectional analytical study that compared 75 consenting women who had unexplained infertility with 74 fertile women that were controls. Both groups were seen within 1 year of delivery and were recruited from the family planning unit, at the University College Hospital, Ibadan. Data were obtained through a semi-structured questionnaire, after which 10 mL of venous blood was collected. Analysis of selected trace elements were done by atomic absorption spectrophotometry. IBM SPSS version 23 was utilized for data analysis and the levels of statistical significance was set at <0.05.

Results: The mean (± SD) serum concentrations of Cu (93.11 ± 16.55 μg/dL), Zn (72.04 ± 15.03 μg/dL) and Se (28.28 ± 8.33 μg/dL) amongst the women with unexplained infertility were lower when compared to the control group (all with P < 0.001). The serum Cu/Zn ratio was higher among the fertile women, though not statistically significant (P < 0.62). Age of <35 years was associated with normal serum levels of Cu (P < 0.01), while women with normal body mass index had low serum concentrations of Cu (P = 0.04), amongst the fertile group.

Conclusion: Serum copper, zinc and selenium concentrations are significantly lower in women with unexplained infertility, therefore diets or supplements containing these trace elements may be helpful in their management.

Background: Lingual nerve injury is a known complication of mandibular third molar (M3M) surgery, and retraction of the lingual flap is reported to reduce the incidence of this complication. However, there is no global consensus on the routine retraction of lingual flap.

Aim: The aim of the study was to assess the perception and practice of lingual flap retraction amongst oral and maxillofacial surgeons in Nigeria.

Materials and methods: This cross-sectional national survey was conducted amongst 122 oral and maxillofacial surgeons in Nigeria from January 2023 to March 2023 using a validated, structured, self-administered questionnaire. The questionnaire had three sections and 14-item questions. Section A consists of the sociodemographic questions, Section B comprises questions on perception towards lingual flap retraction, whereas Section C consists of questions on the practice of lingual flap retraction. These questionnaires were deployed as an online survey and as hard copies. Both qualitative and quantitative data were analysed. A critical probability level (P < 0.05) was used as the cut-off level for statistical significance.

Results: Most of the participants (47.6%) belong to the age group of 31-40 years. The male-to-female ratio was 6:1. Only 12 (9.8%) participants had a positive perception towards routine lingual flap retractions following M3M surgery. Perception of lingual flap retraction was found not to be associated with the demographic variables of the participants (P > 0.05). A total of 95 participants (77.9%) did not raise nor retract the lingual flap during lower third molar surgery. The rate of practice of lingual flap retraction during third molar surgery was not influenced by any of the factors studied (P > 0.05).

Conclusion: The majority of oral and maxillofacial surgeons in Nigeria do not agree that routine retraction of the lingual flap is necessary to reduce lingual nerve injury and majority, too, do not practice this in their management of impacted lower third molar.

Background: The impact of artificial intelligence (AI) has been compared to that of the Internet and printing, evoking both apprehension and anticipation in an uncertain world.

Objective: This study aimed to explore the perceptions of medical students and faculty members from ten universities across Nigeria regarding AI.

Methods: Using Google Forms and WhatsApp, a cross-sectional online survey was administered to clinical year medical students and their lecturers from ten medical schools representing all the six geopolitical zones of Nigeria.

Results: The survey received 1003 responses, of which 708 (70.7%) were from students and 294 (29.3%) were from lecturers. Both groups displayed an average level of knowledge, with students (Median:4, range -5 to 12) significantly outperforming lecturers (Median:3, range -5 to 15). Social media (61.2%) was the most common form of first contact with AI. Participants demonstrated a favourable attitude towards AI, with a median score of 6.8 out of 10. Grammar checkers (62.3%) were the most commonly reported AI tool used, while ChatGPT (43.6%) was the most frequently mentioned dedicated AI tool. Students were significantly more likely than lecturers to have used AI tools in the past but <5% of both groups had received prior AI training. Excitement about the potential of AI slightly outweighed concerns regarding future risks. A significantly higher proportion of students compared to lecturers believed that AI could dehumanise health care (70.6% vs. 60.8%), render physicians redundant (57.6% vs. 34.7%), diminish physicians' skills (79.3% vs. 71.3%) and ultimately harm patients (28.6% vs. 20.6%).

Conclusion: The simultaneous fascination and apprehension with AI observed among both lecturers and students in our study mirrors the global trend. This finding was particularly evident in students who, despite possessing greater knowledge of AI compared to their lecturers, did not exhibit a corresponding reduction in their fear of AI.

Background: Several studies have shown an association between chronic kidney disease (CKD) and periodontitis. However, only few studies have quantified the burden of periodontal inflammation in pre-dialysis CKD patients. The aim of this study was to determine the association between periodontal inflamed surface area (PISA) and systemic inflammatory biomarkers among pre-dialysis CKD patients.

Materials and methods: 120 pre-dialysis CKD participants were recruited into this study. 60 participants constituted Group A (those with periodontitis) while 60 participants constituted Group B (those without periodontitis). Full periodontal examination was carried out in the participants for the estimation of PISA. Blood samples also collected to determine levels of high sensitivity C-reactive protein (hsCRP) and interleukin-6 (IL-6) in all participants. Independent t-test was used to compare means of PISA, hsCRP and IL-6 levels in the two groups. Pearson correlation analysis was used to determine association between PISA and (hsCRP and IL-6).

Results: The mean value of hsCRP was significantly higher in Group A compared to Group B (3.41 mg/L vs. 2.18 mg/L). PISA moderately correlated with hsCRP (r = 0.4, P < 0.01) in both groups. hsCRP also moderately correlated with IL-6 (r = 0.6, P < 0.001) in both groups.

Conclusion: This study demonstrates that there was an association between PISA and hsCRP. Increased hsCRP level in Group A revealed the inflammatory burden imposed by periodontitis.