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Reconstructive Microsurgery in the COVID-19 Environment.

ABSTRACT: The COVID-19 pandemic has presented unique challenges to the plastic surgery field. Substantial changes have been incorporated in hospital and practice protocols in all branches of medicine. Organic medical teams were placed on scheduled shifts to prevent cross-infection, and some working teams were discontinued. Remote technology consultations and deliberations were instituted in hospitals and community medical services to maintain the flow of information on patient status. Several mitigation strategies were implemented during these times throughout medical facilities. We present those implemented in our facility to ensure adequate labor, resources, and facilities along with proper protocols for patient selection and management according to predetermined risk assessment criteria with the hope to assist the healthcare staff to minimize mortality risks.

SUBMITTER: Shachar T

PROVIDER: S-EPMC8245111 | biostudies-literature | 2021 Jun

REPOSITORIES: biostudies-literature

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Reconstructive Microsurgery in the COVID-19 Environment.

Shachar Tal T Yaacobi Dafna Shilo DS Cohen Keren K Olshinka Asaf A Ad-El Dean D DD

Plastic and reconstructive surgery. Global open 20210629 6

The COVID-19 pandemic has presented unique challenges to the plastic surgery field. Substantial changes have been incorporated in hospital and practice protocols in all branches of medicine. Organic medical teams were placed on scheduled shifts to prevent cross-infection, and some working teams were discontinued. Remote technology consultations and deliberations were instituted in hospitals and community medical services to maintain the flow of information on patient status. Several mitigation s ...[more]

PMID: 34235041

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Project description:BackgroundPerforator flaps account for a fraction of reconstructive procedures despite their growing popularity. Specific microsurgical skills are required for successful harvesting of perforator flaps, which are difficult to attain through direct operating room training. Cadaver and small animal dissection cannot simulate human perforator dissection, lacking either bleeding and vessel feedback or providing too small calibers. Thus, we have developed and refined over the last ten years five perforator flaps models in living pig, described their harvesting technique and provided evidence for their effectiveness as perforator flap training models.MethodCT angiography data from ten living pigs was used for detailed examination of the integument's vascular anatomy. Microsurgical techniques were used to standardize and harvest the perforator flaps in acute models. The same operator-assistant team, with no prior perforator flap harvesting experience, raised all flaps in a sequential manner, one animal per day, during a 7 weeks timespan. Porcine flaps were compared to human counterparts in terms of vessel caliber, dissection times. Immediate flap survival was measured as duration of perforator pulsation after completion of flap harvesting, measured every 10 minutes for up to two hours.ResultsFive perforator flaps were standardized, based on the deep cranial epigastric, thoracodorsal, lateral intercostal, cranial gluteal and dorsal cervical arteries and the operative technique was described in detail. Mean pig perforator size was 1.24±0.36 mm and mean pedicle diameter was 2.78±0.8 mm, which matched closely the human calibers for each flap. Total harvesting time increased 22.4% between the first two experiments due to a more cautious approach following the lack of perforator pulsation in all flaps in the first experimental animal. A total decrease of 44.4% harvesting time between second and last experiment was observed, as expected with all repetitive surgical procedures. Post-operative perforator pulsation time revealed a steep learning curve, with no or short-term pulsatile perforators in the first five pigs, followed by a 275% increase in total perforator pulsation time between 5th and 6th experimental animal. Based on these findings we provide a description of the most common mistakes, their consequences and gestures which can be trained using the pig perforator flaps, in order to overcome these mistakes.ConclusionThese five pig perforator flap models provide a fast and efficient learning tool to develop perforator flap harvesting skills safely. Surgical training using these five experimental models offers a similar hands-on perforator flap dissection experience as with human tissue, based on the similar sized calibers of both perforators and pedicles with their human counterparts.

Project description:PurposeThe COVID-19 pandemic has brought unprecedented challenges for oculoplastic surgeons worldwide, in terms of care delivery, medical equipment and at-risk patient management. To date, there are no centralized or compiled international COVID-19 guidelines for oculoplastic surgeons.MethodsWe examined COVID-19 guidelines published by oculoplastic societies worldwide. All countries around the world were initially considered in this study, but only 9 oculoplastic societies met the inclusion criteria: (1) publicly available guidelines displayed on the oculoplastic society's website, or (2) guidelines received from the oculoplastic society after contacting them twice using the contact information on their website.ResultsThe 9 oculoplastic societies examined include: the American Society of Ophthalmic Plastic and Reconstructive Surgery, the British Oculoplastic Surgery Society, the Canadian Society of Oculoplastic Surgery, the European Society of Ophthalmic Plastic and Reconstructive Surgery, la Sociedad Española de Cirugía Plástica Ocular y Orbitaria, la Asociación Colombiana de Cirugía Plastica Ocular, the Asia Pacific Society of Ophthalmic Plastic & Reconstructive Surgery, the Oculoplastics Association of India, and the Philippine Society of Ophthalmic Plastic and Reconstructive Surgery. They all agree that urgent procedures should not be delayed, while non-necessary procedures (including all elective clinic services) should be postponed. When adequate protective equipment is available, oculoplastic surgeons must treat urgent cases. Eight out of 9 societies have provided recommendations on personal protective equipment use in order to prevent the spread of COVID-19 and to adequately protect mucous membranes. Other recommendations provided by certain societies are related to shelter in place measures, hand hygiene and surface disinfection protocols, patient triage, and thyroid eye disease management.ConclusionsAll 9 societies with published recommendations have provided valuable recommendations to their members, regarding urgency of care and infection control solutions (personal protective equipment, hand hygiene, telemedicine, and social isolation).

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Reconstructive Microsurgery in the COVID-19 Environment.

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Reconstructive Microsurgery in the COVID-19 Environment.

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