BackgroundOverweight and obesity have been identified as independent risk factors for musculoskeletal disorders. However, the association between obesity and low back pain remains controversial. Little is known about the effects of overweight and obesity on the angles of the lumbosacral spine. The objective of this study was to evaluate the effects of body mass index (BMI) and waist–hip ratio (WHR) on lumbosacral angles.MethodsThe effects of BMI and WHR on the lumbar lordosis angle (LLA), lumbosacral angle (LSA), sacral inclination angle (°°), and lumbosacral disc angle (LSDA) of 174 overweight and obese subjects (test group) and 126 underweight and normal-weight subjects (control group) were analyzed.ResultsThe test group had a significantly higher mean LSA, LLA, sacral inclination angle (SIA), and LSDA (P=0.001). A significant correlation was noted between BMI and LSA (P=0.001), LLA (P=0.001), SIA (P=0.001), and LSDA (P=0.03). There was also a positive relationship between WHR and LSA (P=0.012), LLA (P=0.009), SIA (P=0.02), and LSDA (P=0.01).ConclusionThere was an increase in lumbosacral angles in individuals with raised BMI and WHR. This may result in biomechanical changes in the lumbosacral spine, which increase the incidence of low back pain.

Bone lesions in African histoplasmosis caused by Histoplasma capsulatum var, duboisii, without other signs of the infection, are often misdiagnosed as cancer. A case of isolated osteomyelitis due to this fungus in a 30-year-old woman is described. Diagnostic and therapeutic problems of isolated bone lesions in African histoplasmosis are discussed. A high diagnostic index of African histoplasmosis is advocated in isolated bone lesions in the endemic region of this disease.

Introduction: the COVID-19 pandemic has necessitated the prolonged use of facemasks by healthcare workers. Facemask non-compliance has been largely blamed on discomfort associated with the mask, and apprehension regarding potential health hazards such as asphyxia from mask usage. We sought to evaluate the impact of different respiratory mask types on the comfort of healthcare workers and their arterial oxygen saturation during periods of active clinical duty. Methods: we conducted a cross-sectional study on healthcare workers donning different types of facemasks in the normal course of duty. Objective non-invasive determination of arterial oxygen saturation of each participant was done using a portable pulse oximeter. Subjective self-assessment of global discomfort was scored by means of a 11-point numerical scale from 0 (no discomfort) to 10 (worst discomfort imaginable). The user's perceived elements of the discomfort were also evaluated. A statistical significance was accepted when P <0.05. Results: seventy-six healthcare workers completed the study, and wore the masks for periods ranging from 68-480 minutes. The discomfort experienced with the use of the N95 mask; 4.3 (2.0) was greater than the surgical mask; 2.7 (1.8); P=0.001. No significant change in arterial oxygen saturation was observed with the use of either of the mask types. The tight strapping of the N95 mask was perceived as a contributor to the discomfort experienced with mask usage; P=0.009. Conclusion: the N95 masks imposed greater discomfort than the surgical masks, but neither of the masks impacted on the arterial oxygen saturation of the healthcare workers.

Background: Burnout and presenteeism are two emerging occupational health challenges which share same locus among healthcare workers, and the trend is rising. We aim to define the magnitude of burnout and presenteeism among frontline members of the health workforce and explore any correlation between the two in order to provide empirical data from our socioeconomic and geographical background. Design and Methods: We used self-administered questionnaire to conduct a cross-sectional study among the physicians and nurses in a regional trauma centre in Enugu, Eastern Nigeria; with the respondents selected by stratified random sampling. The Oldenburg burnout inventory and Stanford presenteeism scale were used to measure burnout and presenteeism respectively, while the 2-item patient-health questionnaire (PHQ-2) was used to screen for depression. The level of statistical significance was determined by a p value of <0.05.Results: Among the healthcare workers surveyed (n=155); 34 (21.9%) were physicians, while 121 (78.1%) were nurses. Burnout prevalence was 69%. Burnout was associated with self-rated health status and length of years in professional service but not the occupation or depression screen status of the worker. Sixty-two healthcare workers (40%) screened positive for depression. A positive screen for depression was the only factor that had significant association with lower presenteeism scores (p=0.002). The mean presenteeism scores had strong negative correlation with both the exhaustion (p<0.001) and disengagement (p<0.001) domains of burnout.Conclusion: Burnout is high among the healthcare workers and correlates with presenteeism scores. The mental health of the workforce greatly impaired their productivity.

Background Tracheal tubes are routinely used during anaesthesia and in the intensive care unit. Subjective monitoring of cuff pressures have been reported to produce consistently inappropriate cuffs pressures, with attendant morbidity. But this practice of unsafe care remains widespread. With the proliferation of intensive care units in Nigeria and increasing access to surgery, morbidity relating to improper tracheal cuff pressure may assume a greater toll. We aimed to evaluate current knowledge and practice of tracheal cuff pressure monitoring among anaesthesia and critical care providers in Nigeria. Methods This was a multicenter cross-sectional study conducted from March 18 to April 30, 2021. The first part (A) was conducted at 4 tertiary referral hospitals in Nigeria by means of a self-administered questionnaire on the various cadre of anaesthesia and critical care providers. The second part (B) was a nation-wide telephone survey of anaesthesia faculty fellows affiliated to 13 tertiary hospitals in Nigeria, selected by stratified random sampling. Results Only 3.1% (6/196) of the care providers admitted having ever used a tracheal cuff manometer, while 31.1% knew the recommended tracheal cuff pressure. The nationwide telephone survey of anaesthesia faculty fellows revealed that tracheal cuff manometer is neither available, nor has it ever been used in any of the 13 tertiary hospitals surveyed. The ‘Pilot balloon palpation method’ and ‘fixed volume of air from a syringe’ were the most commonly utilized method of cuff pressure estimation by the care providers, at 64.3% and 28.1% respectively in part A survey (84.6% and 15.4% respectively, in the part B survey). Conclusion The use of tracheal cuff manometer is very limited among the care providers surveyed in this study. Knowledge regarding tracheal cuff management among the providers is adjudged to be fair, despite the poor practice and unsafe care.