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Presence of pro-opiomelanocortin peptides and corticotropin-releasing factor in human placenta

Ng ML, Healy DL, Rajna A, Fullerton M, O'Grady C, Funder JW

Malays J Pathol, 1996 Jun;18(1):59-63.
PMID: 10879226

Immunoreactive adrenocorticotropin (ACTH), beta-endorphin (BEP) and corticotropin-releasing factor (CRF) were detected in human term placenta obtained from elective Caesarian surgery. The concentrations of ACTH, BEP and CRF in placenta detected by radioimmunoassay (RIA) were 2.83 +/- 0.36, 0.52 +/- 0.05 and 0.56 +/- 0.15 ng/g wet weight of tissue respectively. Pro-opiomelanocortin (POMC) peptides were also detected in the amnion and chorion membranes and in the decidua. The concentrations of ACTH were 1.72 +/- 0.20, 4.43 +/- 0.39 and 5.80 +/- 0.17 ng/g and the levels of BEP were 0.42 +/- 0.18, 0.65 +/- 0.20 and 3.66 +/- 1.10 ng/g in the amnion, chorion and decidua respectively. In contrast to placenta, immunoreactive CRF was not detected in the amnion, chorion and decidua. Immunoreactive N-acetylated BEP was also not detected in all the placental subfractions. Comparison of the amounts of both ACTH and BEP in the various placental components indicated the following distribution: decidua > chorion > placenta > amnion. In decidua, POMC peptides were present in an equi-molar ratio but in the other three placental fractions, ACTH levels were three to five-fold higher than BEP. In immunohistochemical studies, only a positive staining for ACTH was obtained for decidua. Our results confirm the presence of POMC peptides and CRF in placenta and their physiological roles in pregnancy and parturition.
Career choices of today's medical students: where does surgery rank?

Boyle E, Healy D, Hill AD, O'Connell PR, Kerin M, McHugh S, et al.

Ir J Med Sci, 2013 Sep;182(3):337-43.
PMID: 23242574 DOI: 10.1007/s11845-012-0882-x

INTRODUCTION: The national junior doctor recruitment crisis prompts an appraisal of medical student attitudes to different career pathways. The purpose of this study was to perform a national review of surgical career intentions of Irish final year medical students.
METHODS: Ethical and institutional approval was obtained at each study location. A questionnaire was designed and distributed to final year students. Domains assessed included demographics, career plans and reasons associated. Anonymised responses were collated and evaluated. Categorical data were compared with Fisher's exact test.
RESULTS: Responses were obtained from 342 students in four medical schools of whom 78.6% were undergraduates. Over half (53%) were Irish, with Malaysia, Canada and the USA the next most common countries of origin. Only 18% of students intended to pursue surgery, with 60% stating they did not plan to, and 22% undecided. Of those who plan not to pursue surgery, 28% were unsure about a speciality but the most common choices were medicine (39%), general practice (16%) and paediatrics (8%). Reasons for not picking a career in surgery included long hours and the unstructured career path. Suggestions to improve uptake included earlier and more practical exposure to surgery, improved teaching/training and reduction in working hours.
CONCLUSIONS: In this study 18% of final year medical students identified surgery as their chosen career pathway. Although lifestyle factors are significant in many students' decision, perceived quality and duration of surgical training were also relevant and are modifiable factors which, if improved could increase interest in surgery as a career.
STROCSS 2021: Strengthening the reporting of cohort, cross-sectional and case-control studies in surgery

Mathew G, Agha R, Albrecht J, Goel P, Mukherjee I, Pai P, et al.

Int J Surg, 2021 Dec;96:106165.
PMID: 34774726 DOI: 10.1016/j.ijsu.2021.106165

INTRODUCTION: Strengthening The Reporting Of Cohort Studies in Surgery (STROCSS) guidelines were developed in 2017 in order to improve the reporting quality of observational studies in surgery and updated in 2019. In order to maintain relevance and continue upholding good reporting quality among observational studies in surgery, we aimed to update STROCSS 2019 guidelines.
METHODS: A STROCSS 2021 steering group was formed to come up with proposals to update STROCSS 2019 guidelines. An expert panel of researchers assessed these proposals and judged whether they should become part of STROCSS 2021 guidelines or not, through a Delphi consensus exercise.
RESULTS: 42 people (89%) completed the DELPHI survey and hence participated in the development of STROCSS 2021 guidelines. All items received a score between 7 and 9 by greater than 70% of the participants, indicating a high level of agreement among the DELPHI group members with the proposed changes to all the items.
CONCLUSION: We present updated STROCSS 2021 guidelines to ensure ongoing good reporting quality among observational studies in surgery.
STROCSS 2019 Guideline: Strengthening the reporting of cohort studies in surgery

Agha R, Abdall-Razak A, Crossley E, Dowlut N, Iosifidis C, Mathew G, et al.

Int J Surg, 2019 Nov 06;72:156-165.
PMID: 31704426 DOI: 10.1016/j.ijsu.2019.11.002

INTRODUCTION: The STROCSS guideline was developed in 2017 to improve the reporting quality of observational studies in surgery. Building on its impact and usefulness, we sought to update the guidelines two years after its publication.
METHODS: A steering group was formed to review the existing guideline and propose amendments to the 17-item checklist. A Delphi consensus exercise was utilised to determine agreement across a list of proposed modifications to the STROCSS 2017 guideline. An expert panel of 46 surgeons were invited to assess the proposed updates via Google Forms.
RESULTS: The response rate was 91% (n = 42/46). High agreement was reached across all the items and the guideline was finalised in the first round. The checklist maintained 17-items, with modifications primarily considered to improve content and readability.
CONCLUSIONS: The STROCSS 2019 guideline is hereby presented as a considered update to improve reporting of cohort, cross-sectional and case-control studies in surgery.