6 results on '"Chibwana J"'
Search Results
2. Prophylactic antibiotics to reduce pelvic infection in women having miscarriage surgery - The AIMS (Antibiotics in Miscarriage Surgery) trial: study protocol for a randomized controlled trial
- Author
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Lissauer, D, Wilson, A, Daniels, J, Middleton, L, Bishop, J, Hewitt, C, Merriel, A, Weeks, A, Mhango, C, Mataya, R, Taulo, F, Ngalawesa, T, Chirwa, A, Mphasa, C, Tambala, T, Chiudzu, G, Mwalwanda, C, Mboma, A, Qureshi, R, Ahmed, I, Ismail, H, Gulmezoglu, M, Oladapo, OT, Mbaruku, G, Chibwana, J, Watts, G, Simon, B, Ditai, J, Tom, CO, Acam, J-F, Ekunait, J, Uniza, H, Iyaku, M, Anyango, M, Zamora, J, Roberts, T, Goranitis, I, Desmond, N, Coomarasamy, A, Lissauer, D, Wilson, A, Daniels, J, Middleton, L, Bishop, J, Hewitt, C, Merriel, A, Weeks, A, Mhango, C, Mataya, R, Taulo, F, Ngalawesa, T, Chirwa, A, Mphasa, C, Tambala, T, Chiudzu, G, Mwalwanda, C, Mboma, A, Qureshi, R, Ahmed, I, Ismail, H, Gulmezoglu, M, Oladapo, OT, Mbaruku, G, Chibwana, J, Watts, G, Simon, B, Ditai, J, Tom, CO, Acam, J-F, Ekunait, J, Uniza, H, Iyaku, M, Anyango, M, Zamora, J, Roberts, T, Goranitis, I, Desmond, N, and Coomarasamy, A
- Abstract
BACKGROUND: The estimated annual global burden of miscarriage is 33 million out of 210 million pregnancies. Many women undergoing miscarriage have surgery to remove pregnancy tissues, resulting in miscarriage surgery being one of the most common operations performed in hospitals in low-income countries. Infection is a serious consequence and can result in serious illness and death. In low-income settings, the infection rate following miscarriage surgery has been reported to be high. Good quality evidence on the use of prophylactic antibiotics for surgical miscarriage management is not available. Given that miscarriage surgery is common, and infective complications are frequent and serious, prophylactic antibiotics may offer a simple and affordable intervention to improve outcomes. METHODS: Eligible patients will be approached once the diagnosis of miscarriage has been made according to local practice. Once informed consent has been given, participants will be randomly allocated using a secure internet facility (1:1 ratio) to a single dose of oral doxycycline (400 mg) and metronidazole (400 mg) or placebo. Allocation will be concealed to both the patient and the healthcare providers. A total of 3400 women will be randomised, 1700 in each arm. The medication will be given approximately 2 hours before surgery, which will be provided according to local practice. The primary outcome is pelvic infection 2 weeks after surgery. Women will be invited to the hospital for a clinical assessment at 2 weeks. Secondary outcomes include overall antibiotic use, individual components of the primary outcome, death, hospital admission, unplanned consultations, blood transfusion, vomiting, diarrhoea, adverse events, anaphylaxis and allergy, duration of clinical symptoms, and days before return to usual activities. An economic evaluation will be performed to determine if prophylactic antibiotics are cost-effective. DISCUSSION: This trial will assess whether a single dose of doxycycline (
- Published
- 2018
3. Bacteremia and Malaria in Tanzanian Children Hospitalized for Acute Febrile Illness
- Author
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Lundgren, I. S., primary, Heltshe, S. L., additional, Smith, A. L., additional, Chibwana, J., additional, Fried, M. W., additional, and Duffy, P. E., additional
- Published
- 2014
- Full Text
- View/download PDF
4. A Randomized Trial of Prophylactic Antibiotics for Miscarriage Surgery.
- Author
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Lissauer D, Wilson A, Hewitt CA, Middleton L, Bishop JRB, Daniels J, Merriel A, Weeks A, Mhango C, Mataya R, Taulo F, Ngalawesa T, Chirwa A, Mphasa C, Tambala T, Chiudzu G, Mwalwanda C, Mboma A, Qureshi R, Ahmed I, Ismail H, Oladapo OT, Mbaruku G, Chibwana J, Watts G, Simon B, Ditai J, Otim Tom C, Acam J, Ekunait J, Unzia H, Iyaku M, Makiika JJ, Zamora J, Roberts T, Goranitis I, Bar-Zeev S, Desmond N, Arulkumaran S, Bhutta ZA, Gulmezoglu AM, and Coomarasamy A
- Subjects
- Administration, Oral, Adolescent, Adult, Africa South of the Sahara, Developing Countries, Double-Blind Method, Doxycycline adverse effects, Female, Humans, Metronidazole adverse effects, Pakistan, Pelvic Infection epidemiology, Postoperative Complications epidemiology, Pregnancy, Treatment Outcome, Abortion, Spontaneous surgery, Antibiotic Prophylaxis, Doxycycline therapeutic use, Metronidazole therapeutic use, Pelvic Infection prevention & control, Postoperative Complications prevention & control, Preoperative Care
- Abstract
Background: Surgical intervention is needed in some cases of spontaneous abortion to remove retained products of conception. Antibiotic prophylaxis may reduce the risk of pelvic infection, which is an important complication of this surgery, particularly in low-resource countries., Methods: We conducted a double-blind, placebo-controlled, randomized trial investigating whether antibiotic prophylaxis before surgery to complete a spontaneous abortion would reduce pelvic infection among women and adolescents in low-resource countries. We randomly assigned patients to a single preoperative dose of 400 mg of oral doxycycline and 400 mg of oral metronidazole or identical placebos. The primary outcome was pelvic infection within 14 days after surgery. Pelvic infection was defined by the presence of two or more of four clinical features (purulent vaginal discharge, pyrexia, uterine tenderness, and leukocytosis) or by the presence of one of these features and the clinically identified need to administer antibiotics. The definition of pelvic infection was changed before the unblinding of the data; the original strict definition was two or more of the clinical features, without reference to the administration of antibiotics., Results: We enrolled 3412 patients in Malawi, Pakistan, Tanzania, and Uganda. A total of 1705 patients were assigned to receive antibiotics and 1707 to receive placebo. The risk of pelvic infection was 4.1% (68 of 1676 pregnancies) in the antibiotics group and 5.3% (90 of 1684 pregnancies) in the placebo group (risk ratio, 0.77; 95% confidence interval [CI], 0.56 to 1.04; Pā=ā0.09). Pelvic infection according to original strict criteria was diagnosed in 1.5% (26 of 1700 pregnancies) and 2.6% (44 of 1704 pregnancies), respectively (risk ratio, 0.60; 95% CI, 0.37 to 0.96). There were no significant between-group differences in adverse events., Conclusions: Antibiotic prophylaxis before miscarriage surgery did not result in a significantly lower risk of pelvic infection, as defined by pragmatic broad criteria, than placebo. (Funded by the Medical Research Council and others; AIMS Current Controlled Trials number, ISRCTN97143849.)., (Copyright © 2019 Massachusetts Medical Society.)
- Published
- 2019
- Full Text
- View/download PDF
5. Prophylactic antibiotics to reduce pelvic infection in women having miscarriage surgery - The AIMS (Antibiotics in Miscarriage Surgery) trial: study protocol for a randomized controlled trial.
- Author
-
Lissauer D, Wilson A, Daniels J, Middleton L, Bishop J, Hewitt C, Merriel A, Weeks A, Mhango C, Mataya R, Taulo F, Ngalawesa T, Chirwa A, Mphasa C, Tambala T, Chiudzu G, Mwalwanda C, Mboma A, Qureshi R, Ahmed I, Ismail H, Gulmezoglu M, Oladapo OT, Mbaruku G, Chibwana J, Watts G, Simon B, Ditai J, Tom CO, Acam JF, Ekunait J, Uniza H, Iyaku M, Anyango M, Zamora J, Roberts T, Goranitis I, Desmond N, and Coomarasamy A
- Subjects
- Administration, Oral, Adolescent, Adult, Anti-Bacterial Agents adverse effects, Antibiotic Prophylaxis adverse effects, Double-Blind Method, Doxycycline adverse effects, Drug Administration Schedule, Female, Humans, Malawi, Metronidazole adverse effects, Pakistan, Pelvic Infection diagnosis, Pelvic Infection microbiology, Pregnancy, Randomized Controlled Trials as Topic, Risk Factors, Tanzania, Time Factors, Treatment Outcome, Uganda, Young Adult, Abortion, Spontaneous surgery, Anti-Bacterial Agents administration & dosage, Antibiotic Prophylaxis methods, Doxycycline administration & dosage, Gynecologic Surgical Procedures adverse effects, Metronidazole administration & dosage, Pelvic Infection prevention & control
- Abstract
Background: The estimated annual global burden of miscarriage is 33 million out of 210 million pregnancies. Many women undergoing miscarriage have surgery to remove pregnancy tissues, resulting in miscarriage surgery being one of the most common operations performed in hospitals in low-income countries. Infection is a serious consequence and can result in serious illness and death. In low-income settings, the infection rate following miscarriage surgery has been reported to be high. Good quality evidence on the use of prophylactic antibiotics for surgical miscarriage management is not available. Given that miscarriage surgery is common, and infective complications are frequent and serious, prophylactic antibiotics may offer a simple and affordable intervention to improve outcomes., Methods: Eligible patients will be approached once the diagnosis of miscarriage has been made according to local practice. Once informed consent has been given, participants will be randomly allocated using a secure internet facility (1:1 ratio) to a single dose of oral doxycycline (400 mg) and metronidazole (400 mg) or placebo. Allocation will be concealed to both the patient and the healthcare providers. A total of 3400 women will be randomised, 1700 in each arm. The medication will be given approximately 2 hours before surgery, which will be provided according to local practice. The primary outcome is pelvic infection 2 weeks after surgery. Women will be invited to the hospital for a clinical assessment at 2 weeks. Secondary outcomes include overall antibiotic use, individual components of the primary outcome, death, hospital admission, unplanned consultations, blood transfusion, vomiting, diarrhoea, adverse events, anaphylaxis and allergy, duration of clinical symptoms, and days before return to usual activities. An economic evaluation will be performed to determine if prophylactic antibiotics are cost-effective., Discussion: This trial will assess whether a single dose of doxycycline (400 mg) and metronidazole (400 mg) taken orally 2 hours before miscarriage surgery can reduce the incidence of pelvic infection in women up to 2 weeks after miscarriage surgery., Trial Registration: Registered with the ISRCTN (international standard randomised controlled trial number) registry: ISRCTN 97143849 . (Registered on April 17, 2013).
- Published
- 2018
- Full Text
- View/download PDF
6. Bacteremia and malaria in Tanzanian children hospitalized for acute febrile illness.
- Author
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Lundgren IS, Heltshe SL, Smith AL, Chibwana J, Fried MW, and Duffy PE
- Subjects
- Child, Child, Preschool, Fever epidemiology, Haemophilus Infections epidemiology, Haemophilus Infections microbiology, Haemophilus influenzae genetics, Haemophilus influenzae isolation & purification, Humans, Infant, Malaria diagnosis, Malaria, Falciparum parasitology, Plasmodium falciparum genetics, Pneumococcal Infections epidemiology, Pneumococcal Infections microbiology, Polymerase Chain Reaction, Prevalence, Streptococcus pneumoniae genetics, Tanzania epidemiology, Bacteremia epidemiology, Fever etiology, Hospitalization statistics & numerical data, Malaria epidemiology, Malaria, Falciparum epidemiology, Streptococcus pneumoniae isolation & purification
- Abstract
We recorded the reason for presentation to a rural hospital in an area endemic for malaria in 909 children between January 2006 and March 2009. Blood smears were examined for Plasmodium falciparum parasites, and blood spots dried on filter paper were prepared for 464 children. A PCR assay utilizing the stored blood spots was developed for Streptococcus pneumoniae (lytA) and Haemophilus influenzae (pal). Malaria was present in 299 children whose blood was tested by polymerase chain reaction (PCR); 19 had lytA and 15 had pal. The overall prevalence of lytA was 25 of the 464 children, while that of pal was 18 children. Fever was present in 369 children of whom 19 had lytA DNA while 11 had pal DNA detected. Of the 95 afebrile children, six had lytA and seven pal. We conclude that there are no clinical features that distinguish malaria alone from bacteremia alone or the presence of both infections., (© The Author [2014]. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.)
- Published
- 2015
- Full Text
- View/download PDF
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