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1.
Heliyon ; 10(3): e25806, 2024 Feb 15.
Artículo en Inglés | MEDLINE | ID: mdl-38371989

RESUMEN

Objectives: We searched for the most-suitable thermometry method in the low-resource, tropical setting of Sierra Leone, both in terms of accuracy and also patient and user acceptance. Methods: We conducted a prospective comparative study of different methods of body temperature measurement. Each participant had their temperature taken by four different methods: non-contact infrared temperature (NCIT), axillary, tympanic membrane and rectal measurements. Rectal temperature was considered clinical gold standard. Primary outcome was predicted sensitivity and specificity of thermometry methods in detecting fever (rectal temperature ≥38.0 °C). Questionnaires were used to explore patient and healthcare worker attitudes towards different methods of temperature-taking. Results: 824 rectal body temperature readings were taken from 562 participants. The mean rectal temperature was 37.4 °C (IQR 37 °C to 37.7 °C), with a minimum reading of 35.2 °C and maximum of 41.0 °C. Tympanic membrane thermometry showed the highest sensitivity of fever detection using the Genius3 TM thermometer (sensitivity 70.8 %, 95 % CI 60.2%-79.9 %; specificity 97.2 %, 95 % CI 95.5-98.4 %); and Braun TM (sensitivity 51.5 %, 95 % CI 42.6%-62.0 %; specificity 98.8 %, 95 % CI 97.7-99.5). NCIT thermometry sensitivity was low (36.8 %-41.4 % for the two devices used). Axillary thermometry sensitivity was 40.6 %. Participants ranked NCIT as the most and rectal as the least preferred method. Questionnaires from 32 participating nurses showed agreeability to using NCIT, TM and axillary methods routinely, but less so for rectal thermometry. Conclusions: When combining the accuracy of different thermometry methods in detecting fever with user and patient acceptability, tympanic membrane thermometry appears most suitable but also has limitations.

2.
Am J Trop Med Hyg ; 107(4): 912-915, 2022 10 12.
Artículo en Inglés | MEDLINE | ID: mdl-35995134

RESUMEN

Malignant melanoma is rare in West Africa. Few cases of giant melanoma have been reported globally. We present a case of acral melanoma with giant local recurrence on the foot of a black-skinned woman from rural Sierra Leone, managed with below-knee amputation. Atypical, late presentation, poor access to diagnostics, and underreporting may contribute to underappreciation of melanoma as a healthcare problem in West Africa. This case highlights the need for improved cancer and skin health surveillance structures in West Africa-most importantly, increasing access to histopathology.


Asunto(s)
Melanoma , Neoplasias Cutáneas , África Occidental , Femenino , Humanos , Melanoma/diagnóstico , Melanoma/cirugía , Sierra Leona/epidemiología , Neoplasias Cutáneas/diagnóstico , Neoplasias Cutáneas/cirugía , Melanoma Cutáneo Maligno
3.
J Clin Hypertens (Greenwich) ; 20(2): 217-224, 2018 02.
Artículo en Inglés | MEDLINE | ID: mdl-29446219

RESUMEN

Few data from sub-Saharan Africa exist on the effects of hypertension on the organs of the human body. We aimed to establish the prevalence of hypertensive end organ damage (EOD) in an elderly cohort of Tanzanians. The population aged 70 years and over of 2 villages in northern Tanzania (n = 246), had blood pressure (BP) data available from 2010 and 2013, and underwent in-depth follow-up for markers of hypertensive EOD in 2016. Assessment included ankle-brachial pressure index, lying-standing BP, electrocardiogram, and mid-stream urine dip. Sustained hypertension (those with hypertension at all 3 assessments) was found in 129 (52.4% subjects). Of the entire cohort, 13.9% had left ventricular hypertrophy and 26.4% had peripheral arterial disease, both of which were associated with sustained hypertension, although orthostatic hypotension, stroke, proteinuria, and arterial stiffening were not. Further investigation, particularly in younger age groups, is merited if hypertension-associated morbidity is to be controlled.


Asunto(s)
Índice Tobillo Braquial , Determinación de la Presión Sanguínea , Electrocardiografía , Hipertensión , Anciano , Índice Tobillo Braquial/métodos , Índice Tobillo Braquial/estadística & datos numéricos , Determinación de la Presión Sanguínea/métodos , Determinación de la Presión Sanguínea/estadística & datos numéricos , Estudios Transversales , Electrocardiografía/métodos , Electrocardiografía/estadística & datos numéricos , Femenino , Humanos , Hipertensión/complicaciones , Hipertensión/diagnóstico , Hipertensión/epidemiología , Hipertrofia Ventricular Izquierda/diagnóstico , Hipertrofia Ventricular Izquierda/etiología , Masculino , Enfermedad Arterial Periférica/diagnóstico , Enfermedad Arterial Periférica/etiología , Prevalencia , Factores de Riesgo , Población Rural/estadística & datos numéricos , Accidente Cerebrovascular/diagnóstico , Accidente Cerebrovascular/etiología , Tanzanía/epidemiología
4.
J Clin Hypertens (Greenwich) ; 20(9): 1296-1301, 2018 09.
Artículo en Inglés | MEDLINE | ID: mdl-30027598

RESUMEN

By 2030, sub-Saharan Africa is forecast to see the steepest rise in the number of people with hypertension of any world region. Hypertensive retinopathy is known to be a common complication of hypertension in developed countries and some studies suggest it is associated with the presence of other hypertension-related end-organ damage (EOD) such as stroke and cardiovascular disease. In Tanzania hypertension is relatively more common than in other parts of sub-Saharan Africa, especially in the older population; however, the prevalence of hypertensive retinopathy and its association with EOD remain unknown. The authors conducted a cross-sectional study of elderly, community-dwelling, rural Tanzanians to determine the prevalence of hypertensive retinopathy and its association with hypertension and other forms of EOD. Hypertensive retinopathy was diagnosed based on retinal imaging. In a cohort of 61 patients with gradable images, the authors found the overall prevalence of hypertensive retinopathy to be 64% (n = 39), which was strongly associated with hypertension (X2 [1] = 4.207, P = .004), with a significant trend towards more severe retinopathy with more severe hypertension (r = .377, P = .003). The authors did not find hypertensive retinopathy to be associated with other forms of EOD. Hypertensive retinopathy is highly prevalent in this population and is associated in most but not all cases with hypertension. These findings do not suggest that it could be used as a screening tool for EOD, but it is important to identify and educate patients with retinopathy about possible complications of the condition.


Asunto(s)
Retinopatía Hipertensiva/epidemiología , Retina/diagnóstico por imagen , Anciano , Anciano de 80 o más Años , Estudios Transversales , Femenino , Humanos , Retinopatía Hipertensiva/diagnóstico por imagen , Retinopatía Hipertensiva/etnología , Vida Independiente , Masculino , Proyectos Piloto , Prevalencia , Población Rural , Tanzanía/epidemiología , Tanzanía/etnología
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