Nasir Jaffer - Academia.edu (original) (raw)
Papers by Nasir Jaffer
Very little data exists on swimmers in South Africa. A series of three studies were undertaken to... more Very little data exists on swimmers in South Africa. A series of three studies were undertaken to assess the medical status of young swimmers in the Western Cape, their training habits and how these related to performers. The aim of the first study was to determine the training habits of young competitive swimmers, whether there were gender differences in training, and whether the training habis changed over a three-year period (1995-1998). The second study assessed the prevalence of existing medical conditions in young competitive swimmers and whether there were gender differences amongst the swimmers for the various medical conditions. In the third study, mood changes in young competitive swimmers were monitored over a swimming season to determine whether a relationship exists between mood states and swimming performance
Tydskrif vir Gesinsekologie en Verbruikerswetenskappe, 2017
Low-literate consumers display distinctive behaviour in the marketplace, which entails concrete t... more Low-literate consumers display distinctive behaviour in the marketplace, which entails concrete thinking (for example, the use of single pieces of information) and pictographic thinking (for example, the use of information as symbols), also evident among low-literate clothing consumers in this study. This behaviour poses challenges to low-literate consumers, although certain strategies are applied to cope with these challenges. In our study, the aim was to explore the challenges and coping strategies of female low-literate clothing consumers in the South African marketplace, especially in the context of high low-literacy levels in the country. An interpretive descriptive qualitative design was followed and semi-structured interviews were used to gather data from low-literate female consumers. Through inductive and interpretative data analysis, two broad themes relevant to the clothing marketplace were identified: Personal-related (cognitive, social, financial, and affective) such as...
European Journal of Gastroenterology & Hepatology, 2019
Whipple's disease is a rare, multisystem infection caused by the Gram-positive Tropheryma whippel... more Whipple's disease is a rare, multisystem infection caused by the Gram-positive Tropheryma whippelii organism. In addition to neurological and rheumatological manifestations, this disease can result in significant gastrointestinal symptoms such as malabsorption, diarrhea, and weight loss. Given the diagnostic challenge and rare occurrence, a high index of suspicion is critical to prevent morbidity and mortality from this otherwise highly infectious disease transmitted via the fecal-oral route. We present a very rare but near-fatal case of hypovolemic shock secondary to protein-losing enteropathy and gastrointestinal bleeding from small bowel T. whippelii infection. Furthermore, the epidemiology, clinical presentation, diagnosis, and management of Whipple's disease is reviewed.
Current problems in diagnostic radiology, Jan 6, 2018
Urinary diversions are surgical procedures that reconstruct the lower urinary tract following cys... more Urinary diversions are surgical procedures that reconstruct the lower urinary tract following cystectomy. The 2 common surgical approaches are based on the continence status of the urinary tract. Incontinent diversions have continuous urine drainage through a cutaneous stoma, whereas continent diversions offer the patient the ability to self-void either via stoma catheterization or with the patient's own urethra. Given the large number of diversion procedures available, postsurgical anatomy may be complex. Multiple imaging modalities can be used to assess the postprocedural anatomy, potential complications, and for on-going oncologic monitoring. The purpose of this review is to describe the common surgical techniques and associated complications.
Canadian Journal of Gastroenterology, 2008
Spinal epidural abscess is an uncommon but highly morbid illness. While it usually afflicts older... more Spinal epidural abscess is an uncommon but highly morbid illness. While it usually afflicts older, immunocompromised patients, this condition has been reported as a result of intestinal perforation in the setting of inflammatory bowel disease. Two cases of spinal epidural abscess in patients with inflammatory bowel disease are reported: one in a patient with Crohn’s disease and one in a patient with ulcerative colitis after restorative proctocolectomy.
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1997
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1995
The authors report the successful insertion, under fluoroscopic guidance, of an expandable metall... more The authors report the successful insertion, under fluoroscopic guidance, of an expandable metallic endoprosthesis in a 60-year-old woman with recurrent obstructive pneumonia secondary to metastasis. This procedure allowed 93 days of palliation for the patient, who had previously required multiple endoscopic treatments for the recurrent bronchial obstruction.
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 2004
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 2000
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1999
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1997
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1997
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1997
To assess the usefulness of covered, self-expanding metallic stents for alleviating stricture ass... more To assess the usefulness of covered, self-expanding metallic stents for alleviating stricture associated with malignant esophageal lesions. Self-expanding metallic stents were placed in 10 patients with dysphagia related to stricture caused by malignant esophageal lesions. The stents were placed fluoroscopically with local anesthesia, and patency of the esophageal lumen was assessed by barium study after the procedure. The patients were then followed clinically. In all 10 cases patency of the lumen was renewed after stent placement. After the procedure 9 of the patients could tolerate a normal or near-normal diet; in the other patient esophageal perforation occurred, and clinical deterioration prevented oral intake of food. In one patient, 2 stents were needed because of the length of the stricture. Two patients experienced reflux after placement of the stent across the gastro-esophageal junction. Another patient had asymptomatic aspiration after stent placement in the proximal esop...
Canadian family physician Médecin de famille canadien, 1996
New minimally invasive interventional radiologic procedures are being developed and refined. Thes... more New minimally invasive interventional radiologic procedures are being developed and refined. These alternatives to standard surgical treatments have fewer complications, shorter hospital stays, and lower costs. A variety of procedures that assist in both benign and malignant diseases are particularly suited for palliative care in end-stage malignancy.
Annals of the Royal College of Surgeons of England, 1996
This randomised trial compared single gloves with combinations of double gloves to determine the ... more This randomised trial compared single gloves with combinations of double gloves to determine the subjective effects on comfort, sensitivity and dexterity in 32 surgeons. Glove perforation rates were also compared. Single gloves of the surgeon's normal size (method A) were used as control. Double gloves were worn in three different ways, selected randomly: normal gloves inside and gloves one-half size larger outside (method B); the larger gloves inside and the normal gloves outside (method C); and lastly, two pairs of gloves of normal size (method D). Double gloves by all three methods significantly protected against needle perforation of the inner gloves when compared with single gloves, but also significantly impaired comfort, sensitivity and dexterity. When the three types of double gloving were compared, there appeared to be advantages for method C for all modalities, but the differences did not reach statistical significance; also, more surgeons expressed a preference for method C. Perforation of the inner gloves was significantly less for double gloves than for single gloves. We conclude that double gloves often protect the surgeon against needle perforations, but are felt to impair comfort, sensitivity and dexterity.
American Journal of Roentgenology, 2015
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1995
Internal double-J ureteric stents are valuable in the treatment of ureteric obstruction, obviatin... more Internal double-J ureteric stents are valuable in the treatment of ureteric obstruction, obviating the need for an external drainage catheter. Retrograde placement of these stents is often performed by the urologist, or, if such placement fails, antegrade placement is performed by the interventional radiology service. In cases of high-grade obstruction it may be possible to pass a guide wire through the stricture but impossible to do so with a catheter. The authors describe a pull-through technique, which was used to place a ureteric stent in a 65-year-old man with bilateral hydronephrosis. The method consists of gaining control of the distal end of the guide wire by retrieving it through the penile urethra to allow the stenosis to be crossed with a catheter.
RadCases emergency radiology / , RadCases emergency radiology / , کتابخانه دیجیتال جندی شاپور اهواز
Ophthalmic Plastic & Reconstructive Surgery, 1990
ABSTRACT A mathematical formula that allows for the computation of the true angle between the upp... more ABSTRACT A mathematical formula that allows for the computation of the true angle between the upper and lower canaliculi using dacryocystograms is described. It was used to determine the true canalicular angle in 33 patients. The mean calculated angle at the 1.0 mm distance was 57.2[degrees] +/- 13.[degrees], and at the 0.5 mm distance was 65.2[degrees] +/- 16.2[degrees]. The true calculated angle was highly correlated with the angle measured in the Waters view. There was no statistically significant correlation between the right and left sides in the same patient. There was no statistically significant difference between the canalicular angle in males and females, and there was no correlation between canalicular angle and patient's age. A clinical application of this model is discussed. (C)1990The American Society of Opthalmic Plastic and Reconstructive Surgery, Inc.
Journal of Vascular and Interventional Radiology, 1993
Very little data exists on swimmers in South Africa. A series of three studies were undertaken to... more Very little data exists on swimmers in South Africa. A series of three studies were undertaken to assess the medical status of young swimmers in the Western Cape, their training habits and how these related to performers. The aim of the first study was to determine the training habits of young competitive swimmers, whether there were gender differences in training, and whether the training habis changed over a three-year period (1995-1998). The second study assessed the prevalence of existing medical conditions in young competitive swimmers and whether there were gender differences amongst the swimmers for the various medical conditions. In the third study, mood changes in young competitive swimmers were monitored over a swimming season to determine whether a relationship exists between mood states and swimming performance
Tydskrif vir Gesinsekologie en Verbruikerswetenskappe, 2017
Low-literate consumers display distinctive behaviour in the marketplace, which entails concrete t... more Low-literate consumers display distinctive behaviour in the marketplace, which entails concrete thinking (for example, the use of single pieces of information) and pictographic thinking (for example, the use of information as symbols), also evident among low-literate clothing consumers in this study. This behaviour poses challenges to low-literate consumers, although certain strategies are applied to cope with these challenges. In our study, the aim was to explore the challenges and coping strategies of female low-literate clothing consumers in the South African marketplace, especially in the context of high low-literacy levels in the country. An interpretive descriptive qualitative design was followed and semi-structured interviews were used to gather data from low-literate female consumers. Through inductive and interpretative data analysis, two broad themes relevant to the clothing marketplace were identified: Personal-related (cognitive, social, financial, and affective) such as...
European Journal of Gastroenterology & Hepatology, 2019
Whipple's disease is a rare, multisystem infection caused by the Gram-positive Tropheryma whippel... more Whipple's disease is a rare, multisystem infection caused by the Gram-positive Tropheryma whippelii organism. In addition to neurological and rheumatological manifestations, this disease can result in significant gastrointestinal symptoms such as malabsorption, diarrhea, and weight loss. Given the diagnostic challenge and rare occurrence, a high index of suspicion is critical to prevent morbidity and mortality from this otherwise highly infectious disease transmitted via the fecal-oral route. We present a very rare but near-fatal case of hypovolemic shock secondary to protein-losing enteropathy and gastrointestinal bleeding from small bowel T. whippelii infection. Furthermore, the epidemiology, clinical presentation, diagnosis, and management of Whipple's disease is reviewed.
Current problems in diagnostic radiology, Jan 6, 2018
Urinary diversions are surgical procedures that reconstruct the lower urinary tract following cys... more Urinary diversions are surgical procedures that reconstruct the lower urinary tract following cystectomy. The 2 common surgical approaches are based on the continence status of the urinary tract. Incontinent diversions have continuous urine drainage through a cutaneous stoma, whereas continent diversions offer the patient the ability to self-void either via stoma catheterization or with the patient's own urethra. Given the large number of diversion procedures available, postsurgical anatomy may be complex. Multiple imaging modalities can be used to assess the postprocedural anatomy, potential complications, and for on-going oncologic monitoring. The purpose of this review is to describe the common surgical techniques and associated complications.
Canadian Journal of Gastroenterology, 2008
Spinal epidural abscess is an uncommon but highly morbid illness. While it usually afflicts older... more Spinal epidural abscess is an uncommon but highly morbid illness. While it usually afflicts older, immunocompromised patients, this condition has been reported as a result of intestinal perforation in the setting of inflammatory bowel disease. Two cases of spinal epidural abscess in patients with inflammatory bowel disease are reported: one in a patient with Crohn’s disease and one in a patient with ulcerative colitis after restorative proctocolectomy.
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1997
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1995
The authors report the successful insertion, under fluoroscopic guidance, of an expandable metall... more The authors report the successful insertion, under fluoroscopic guidance, of an expandable metallic endoprosthesis in a 60-year-old woman with recurrent obstructive pneumonia secondary to metastasis. This procedure allowed 93 days of palliation for the patient, who had previously required multiple endoscopic treatments for the recurrent bronchial obstruction.
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 2004
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 2000
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1999
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1997
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1997
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1997
To assess the usefulness of covered, self-expanding metallic stents for alleviating stricture ass... more To assess the usefulness of covered, self-expanding metallic stents for alleviating stricture associated with malignant esophageal lesions. Self-expanding metallic stents were placed in 10 patients with dysphagia related to stricture caused by malignant esophageal lesions. The stents were placed fluoroscopically with local anesthesia, and patency of the esophageal lumen was assessed by barium study after the procedure. The patients were then followed clinically. In all 10 cases patency of the lumen was renewed after stent placement. After the procedure 9 of the patients could tolerate a normal or near-normal diet; in the other patient esophageal perforation occurred, and clinical deterioration prevented oral intake of food. In one patient, 2 stents were needed because of the length of the stricture. Two patients experienced reflux after placement of the stent across the gastro-esophageal junction. Another patient had asymptomatic aspiration after stent placement in the proximal esop...
Canadian family physician Médecin de famille canadien, 1996
New minimally invasive interventional radiologic procedures are being developed and refined. Thes... more New minimally invasive interventional radiologic procedures are being developed and refined. These alternatives to standard surgical treatments have fewer complications, shorter hospital stays, and lower costs. A variety of procedures that assist in both benign and malignant diseases are particularly suited for palliative care in end-stage malignancy.
Annals of the Royal College of Surgeons of England, 1996
This randomised trial compared single gloves with combinations of double gloves to determine the ... more This randomised trial compared single gloves with combinations of double gloves to determine the subjective effects on comfort, sensitivity and dexterity in 32 surgeons. Glove perforation rates were also compared. Single gloves of the surgeon's normal size (method A) were used as control. Double gloves were worn in three different ways, selected randomly: normal gloves inside and gloves one-half size larger outside (method B); the larger gloves inside and the normal gloves outside (method C); and lastly, two pairs of gloves of normal size (method D). Double gloves by all three methods significantly protected against needle perforation of the inner gloves when compared with single gloves, but also significantly impaired comfort, sensitivity and dexterity. When the three types of double gloving were compared, there appeared to be advantages for method C for all modalities, but the differences did not reach statistical significance; also, more surgeons expressed a preference for method C. Perforation of the inner gloves was significantly less for double gloves than for single gloves. We conclude that double gloves often protect the surgeon against needle perforations, but are felt to impair comfort, sensitivity and dexterity.
American Journal of Roentgenology, 2015
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes, 1995
Internal double-J ureteric stents are valuable in the treatment of ureteric obstruction, obviatin... more Internal double-J ureteric stents are valuable in the treatment of ureteric obstruction, obviating the need for an external drainage catheter. Retrograde placement of these stents is often performed by the urologist, or, if such placement fails, antegrade placement is performed by the interventional radiology service. In cases of high-grade obstruction it may be possible to pass a guide wire through the stricture but impossible to do so with a catheter. The authors describe a pull-through technique, which was used to place a ureteric stent in a 65-year-old man with bilateral hydronephrosis. The method consists of gaining control of the distal end of the guide wire by retrieving it through the penile urethra to allow the stenosis to be crossed with a catheter.
RadCases emergency radiology / , RadCases emergency radiology / , کتابخانه دیجیتال جندی شاپور اهواز
Ophthalmic Plastic & Reconstructive Surgery, 1990
ABSTRACT A mathematical formula that allows for the computation of the true angle between the upp... more ABSTRACT A mathematical formula that allows for the computation of the true angle between the upper and lower canaliculi using dacryocystograms is described. It was used to determine the true canalicular angle in 33 patients. The mean calculated angle at the 1.0 mm distance was 57.2[degrees] +/- 13.[degrees], and at the 0.5 mm distance was 65.2[degrees] +/- 16.2[degrees]. The true calculated angle was highly correlated with the angle measured in the Waters view. There was no statistically significant correlation between the right and left sides in the same patient. There was no statistically significant difference between the canalicular angle in males and females, and there was no correlation between canalicular angle and patient's age. A clinical application of this model is discussed. (C)1990The American Society of Opthalmic Plastic and Reconstructive Surgery, Inc.
Journal of Vascular and Interventional Radiology, 1993