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Biomedical subjects

S Ghaem-Maghami

Publications and source records attributed to S Ghaem-Maghami.

8 recordsLinked to original sources
PubMed2006

Survey of surgical experience during training in obstetrics and gynaecology in the UK.

The 2002 RCOG survey of training reported that the percentage of obstetric and gynaecology trainees who class their operative training as good or very good has declined from 45% in 1995, to 39% in 2002; reduction in years of training and number of working hours may have further impact on the surgical experience. In this study, we have attempted to assess the level of surgical confidence reported by senior and recently accredited trainees in obstetrics and gynaecology in the UK via an anonymised postal questionnaire. A total of 103 replies were received from 202 questionnaires. Some 99% of the respondents said they felt competent to carry out a simple total abdominal hysterectomy; 61.2% could confidently dissect the ureter and 55.3% could repair major damage to the bladder. However, when managing major obstetric haemorrhage, only 44.6% of respondents felt confident to perform a caesarean hysterectomy; 27.1% could dissect the ureter and 41.7% could apply a B-Lynch suture to the uterus. The level of competence increased with seniority and also with additional time spent in research, subspecialty training or other specialties. There appears to be an appropriate level of confidence in carrying out gynaecological surgical procedures by senior trainees and new consultants. However, surprisingly few respondents were confident in performing any surgical procedure necessary in the management of major obstetric haemorrhage. This may have serious implications in the provision of out of hours senior cover for maternity units in the future.

Clinical Competence↗
PubMed2004

The gynaecological management of women on tamoxifen: a national questionnaire survey.

Tamoxifen is the standard adjuvant treatment for women with breast carcinoma, decreasing the incidence of contralateral disease. However, the risk of endometrial cancer is increased. To establish current gynaecological management of women receiving tamoxifen in the United Kingdom we conducted a postal questionnaire of consultant gynaecologists, enquiring about frequency of, and methods used to investigate women on tamoxifen. Ninety-five per cent investigate women on tamoxifen only if they are symptomatic. Pelvic ultrasound and endometrial sampling are used for first-line investigation by 68.7%. Interpreting ultrasound findings, endometrial thickness is the parameter regarded as most important. An endometrial thickness of greater than 5 mm is regarded abnormal by 47.8% of respondents and of 4 mm by 23.6%. As there is no consensus of opinion regarding normal values for endometrial thickness, further data are required to ensure consistency when interpreting ultrasound reports of women on tamoxifen.

Biopsy↗
PubMed2003

Mucosal and systemic immune responses to plasmid protein pgp3 in patients with genital and ocular Chlamydia trachomatis infection.

The circulating and cervical B cell responses to Chlamydia trachomatis plasmid protein pgp3 were characterized in children and adults with ocular or genital chlamydial infection using the enzyme-linked immunospot assay (ELISPOT) and ELISA. No pgp3-specific ASCs were detected in healthy controls, but predominantly IgA ASCs were detected in UK adults with uncomplicated cervicitis or urethritis (P = 0.03, 0.019). In patients with extragenital complications or pelvic inflammatory disease a mixed response with more IgG and IgM ASCs was evident, suggesting a breach of mucosal immune compartmentalization with more extensive infection. In women with chlamydial cervicitis, ASCs secreting predominantly IgA, but also IgG, to pgp3 were present in cervix at presentation, with a frequency 30-50 times higher than blood. Cervical ASC numbers, especially IgG, fell markedly six weeks after antibiotic treatment. We detected principally IgA pgp3-specific antibody secreting cells (ASCs) in children resident in a Gambian endemic area, with a trend towards suppression of IgA responses during intense trachomatous inflammation (P = 0.06), as previously reported for other chlamydial antigens, and in keeping with the findings in genital disease. These data provide a rationale for further studies of immune responses to pgp3 in humans and animal models of chlamydia-induced disease, and its potential use in diagnostic assays and protective immunization strategies.

Adult↗
PubMed2001

Indications for caesarean section.

Caesarean section rates are rising. Caesarean section confers an increase in maternal mortality and morbidity as well as having considerable financial implications. Caesarean section is usually justified by the assumed benefit for the fetus. These benefits are often unquantified and based on scanty evidence. The changing trends in the rates of caesarean section for various indications may be explained partly by improved anaesthetic and neonatal techniques. Cultural changes and expectations in the general population and obstetricians' fear of litigation may have made the changing rate and indications for caesarean section seem more acceptable. There is little research evidence in this area. The evidence that caesarean section is the optimal mode of delivery for various major indications is critically examined. The obstetrician is under an obligation to share the evidence that caesarean section is the optimum mode of delivery with the pregnant woman and her birth attendants to allow the woman to make wise decisions about her management.

Abruptio Placentae↗
PubMed1999

Chlamydia trachomatis: the role of cellular and humoral immune mechanisms in the development of blindness.

Ocular infection with Chlamydia trachomatis leading to trachoma is the commonest cause of treatable blindness worldwide. Although effectively controlled by improved sanitation, a chlamydial vaccine may prove a more cost-effective method of protection against this disease in the medium term. The development of vaccines against Chlamydia trachomatis has been hampered by a lack of understanding of the immune responses leading to protection or pathology, particularly in humans. Although a strong cell-mediated immune response (T helper lymphocyte type 1) is almost certainly necessary to resolve intracellular chlamydial infection, a humoral (T helper lymphocyte type 2) response may protect against colonization and limit immunopathological events. Recent studies addressing this potential conflict are reviewed.

Journal Article↗
PubMed1997

Characterization of B-cell responses to Chlamydia trachomatis antigens in humans with trachoma.

The circulating B-cell responses to Chlamydia trachomatis of 60 children and 34 adults in The Gambia were characterized in a cross-sectional study of different grades of trachoma, using the enzyme-linked immunospot (ELISPOT) assay. Antibody-secreting cells (ASCs) specific to chlamydial major outer membrane protein (MOMP), heat shock protein 60, and whole elementary bodies were detected in children with no evidence of ocular disease, and the immunoglobulin (IgA) response was significantly increased in those with follicular trachoma. In marked contrast, children with the most intense ocular inflammation paradoxically had an almost completely absent B-cell response of all isotypes and to all chlamydial antigens, but with normal serum IgG and IgA responses, which was even lower than in the group with no ocular inflammation. Adults with or without evidence of trachomatous scarring had equivalent numbers of circulating B cells, principally IgA, to all chlamydial antigens. Plasmablasts secreting antibodies to MOMP were present in the urine of children in the absence of urogenital infection detectable by PCR, and relative numbers were 8 to 25 times higher than in blood, suggesting site-specific homing within a common mucosal immune system. These results suggest that ELISPOT assay of ongoing B-cell responses detects suppression of chlamydia-specific IgA ASCs during the proinflammatory response to ocular chlamydial infection seen in intense trachoma, which may play a role in tissue damage leading to trachomatous scarring.

Adult↗