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Biomedical subjects

Khabir Ahmad

Publications and source records attributed to Khabir Ahmad.

At least 19 recordsLinked to original sources

Population beliefs about the efficacy of injections in Pakistan's Sindh province.

OBJECTIVE: Reused syringes have been identified as a major risk factor for hepatitis B and C in Pakistan, a country facing a growing epidemic of these infections. We conducted this study to identify factors associated with receiving at least one injection during the past 3 months in an urban and a rural area in the Sindh province of Pakistan. METHODS: A population-based cross-sectional study of individuals aged 3 months was conducted in 34 clusters in an urban and a rural setting. Information was obtained on the number of contacts with healthcare providers and the number of injections received during the past 3 months. Beliefs about the efficacy of injections were also tested. Multivariable logistic regression analysis was performed to identify factors associated with receiving at least one injection during the past 3 months. RESULTS: Of 1150 subjects who participated in the study, 848 (74%) reported having received at least one injection during the past 3 months. Seventy-one percent (815/1150) believed that injections act faster than oral drugs and relieve symptoms quickly. There was a lack of risk perception among the participants: 19% (222/1150) believed that injections involve less risk than do oral drugs. Multivariable logistic regression analysis revealed that individuals who had visited unqualified practitioners (adjusted OR=6.1; 95% CI: 2.6-14.1) or general practitioners (adjusted OR=3.4; 95% CI: 1.9-6.0) were more likely to have received an injection. Belief that 'injections act faster and relieve symptoms quickly' had a multiplicative interaction with the area of dwelling: people in rural areas who held this belief were more likely to receive injections than people who did not hold this belief and were living in urban areas. CONCLUSIONS: In Pakistan, people's lack of awareness of risks associated with injections and their strong belief in the fast action of injections are driving injection overuse. These factors are supplemented by general practitioners' and unqualified providers' inclinations to prescribe more injections. Efforts must be made to include the unqualified practitioners in any interventions aimed to reduce injection overuse in Pakistan.

Adolescent↗

Perceptions of eye health in schools in Pakistan.

BACKGROUND: Research exploring children's and their teachers' perceptions of eye health is lacking. This paper reports for the first time on perceptions of primary schoolchildren and their teachers of healthy and diseased eyes, things that keep eyes healthy and damage them, and what actions to be taken in case of an eye injury. METHODS: Using draw and write technique, 160 boys and girls (9-12 years old) attending four primary schools in Abbottabad district, northern Pakistan, were invited to draw pictures in response to a set of semi-structured questions and then label them. Sixteen teachers who were currently teaching the selected students were interviewed one-on-one. RESULTS: Analysis of text accompanying 800 drawings and of the interview scripts revealed that most children and teachers perceived healthy eyes to be those which could see well, and diseased eyes to be those which have redness, watering, dirty discharge, pain, and itching; or those which have "weak eyesight" and blindness. Among things that students and teachers thought damage the eyes included sun, television, and sharp pointed objects, particularly pencils. Teachers noted that children with eye problems "have difficulty seeing the blackboard well", "screw up their eyes", and "hold their books too close". CONCLUSION: We conclude that schoolchildren and their teachers had a good knowledge of eye health, but many of them had serious misconceptions e.g., use of kohl, medicines and eye drops keeps eyes healthy. Kohl is an important source of lead and can reduce children's intelligence even at low blood levels. Health education in schools must take into account children's existing knowledge of and misconceptions about various aspects of eye health. Such steps if taken could improve the relevance of eye health education to schoolchildren.

Art↗

Glaucoma admissions and surgery in public sector tertiary care hospitals in pakistan: results of a national study.

PURPOSE: To assess the annual number of glaucoma operations and admissions in the public sector tertiary care hospitals in Pakistan. METHODS: Eye departments in all 18 public tertiary care centers in the country were requested to provide data on the number of glaucoma operations and admissions during 1998. Of these, 13 hospitals agreed to participate. Eye departments' log books or patients' records were used to collect data retrospectively on the total number of eye admissions, the total number of glaucoma admissions, the type of glaucoma, and the total number and type of glaucoma operations. RESULTS: Glaucoma accounted for 8.1% (1,942/23,931) of all eye admissions. Open-angle glaucoma was responsible for 37.6% or 731 glaucoma admissions followed by secondary glaucoma (35.0%) and angle-closure glaucoma (18.2%). During 1998, 1,407 glaucoma-related operations were performed in the selected hospitals. The mean (+/-SD) and the median number of operations performed were 108.2 (+/-59.6) and 112 (range: 17-206), respectively. Trabeculectomies accounted for 1,043 (74.1 %) of all procedures. Their number ranged from 16 to 170 (median: 84) in the selected hospitals. CONCLUSIONS: We believe that the annual number of glaucoma operations performed in the public tertiary care hospitals in Pakistan is far less than required. In-depth research is therefore needed to explain if this is because of gaps in service provision or a genuine shift to medical management of glaucoma on an outpatient basis.

Filtering Surgery↗

Self-rated health in Pakistan: results of a national health survey.

BACKGROUND: Self-rated health (SRH) is a robust predictor of mortality. In UK, migrants of South Asian descent, compared to native Caucasian populations, have substantially poorer SRH. Despite its validation among migrant South Asian populations and its popularity in developed countries as a useful public health tool, the SRH scale has not been used at a population level in countries in South Asia. We determined the prevalence of and risk factors for poor/fair SRH among individuals aged > or =15 years in Pakistan (n = 9442). METHODS: The National Health Survey of Pakistan was a cross-sectional population-based survey, conducted between 1990 and 1994, of 18,135 individuals aged 6 months and above; 9442 of them were aged > or =15 years. Our main outcome was SRH which was assessed using the question: "Would you say your health in general is excellent, very good, good, fair, or poor?" SRH was dichotomized into poor/fair, and good (excellent, very good, or good). RESULTS: Overall 65.1% respondents -- 51.3 % men vs. 77.2 % women -- rated their health as poor/fair. We found a significant interaction between sex and age (p < 0.0001). The interaction was due to the gender differences only in the ages 15-19 years, whereas poor/fair SRH at all older ages was more prevalent among women and increased at the same rate as it did among men. We also found province of dwelling, low or middle SES, literacy, rural dwelling and current tobacco use to be independently associated with poor/fair SRH. CONCLUSION: This is the first study reporting on poor/fair SRH at a population-level in a South Asian country. The prevalence of poor/fair health in Pakistan, especially amongst women, is one of the worst ever reported, warranting immediate attention. Further research is needed to explain why women in Pakistan have, at all ages, poorer SRH than men.

Adolescent↗