Publications by authors named "Adrian S H Ooi"

Post-nasopharyngectomy reconstruction for recurrent nasopharyngeal carcinomas has been used for defect coverage and protection of vital structures. With the increasing use of endoscopic transnasal nasopharyngeal extirpation to offset complications faced with open techniques, there is a need for corresponding reconstructive support through a similar approach. We describe a novel endoscopic transnasal anterolateral thigh flap inset technique, combined with a transverse neck incision, in two patients who underwent transnasal nasopharyngectomy.

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Background: The medial sural artery perforator free flap (MSAP) has gained increasing popularity in head and neck reconstruction. Its slightly bulkier nature than the radial forearm flap, combined with negligible donor site morbidity, makes it an ideal candidate for the reconstruction of partial glossectomy defects. The ability to harvest the MSAP as a chimeric flap with a portion of the medial gastrocnemius muscle gives it greater flexibility in soft tissue reconstruction.

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Background: Salivary fistulas are common complications after reconstructive head and neck surgery with significant morbidity. Yet, there are no established guidelines for their management.

Method: A comprehensive search of PubMed was performed from 01/01/2000 to 06/31/2019 to evaluate all treatment options in postreconstructive head and neck fistulas.

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Background:  For tongue reconstruction, the radial forearm flap (RFF) is commonly used. In the last decade, the medial sural artery perforator (MSAP) flap has been successfully used with reportedly superior donor-site outcomes. Our study is the first to compare the RFF and MSAP for reconstruction of partial glossectomy defects (<50% of tongue).

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Background:  The use of vasopressors in free flap surgery has traditionally been avoided due to the presumed risk of pedicle vasospasm leading to flap failure. However, there is a lack of strong clinical evidence to suggest that their administration during microvascular surgery is absolutely contraindicated. The aim of this study is to clarify the impact of perioperative vasopressor use on free flap outcomes.

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Background: The literature reports a wide variety of reconstructive methods for pharyngolaryngoesophageal (PLO) defects, the most widely used being anterolateral thigh (ALT), radial forearm (RFF), and jejunal free flaps (JFF). However, there is a lack of uniform agreement among head and neck surgeons as to which technique offers the best results. With an increasing number of salvage PLO extirpations, determining the role of radiotherapy in influencing postoperative complication rates is becoming ever more important.

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Multiple staging systems for classifying the severity of lymphedema exist. The International Society of Lymphology (ISL) stage is considered standard for clinical reporting, but the relationship between clinical and functional/imaging stage remains poorly defined. We reviewed the prospectively collected data of all patients who underwent physiologic lymphedema surgery for a 3-year period by the senior author.

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Background: With the increasing complexity of health care, the knowledge of business in medicine is growing more valuable. Plastic surgeons in all practice settings are constantly forced to navigate endeavors that could be better faced with the leadership, management, and administrative skills honed through a formal business education. The purpose of this study was to gather data and draw conclusions related to the motivations and outcomes of plastic surgeons with a Master of Business Administration degree (MBA).

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Recent advancements and innovations in the burgeoning field of vascularized composite allotransplantation has enabled face and hand transplant to become a reality in the Western world. Plastic surgeons from the United States, France, and Spain have since performed vascularized composite allotransplantation as a novel therapeutic option in patients suffering from severe facial disfigurement and limb loss. Results have demonstrated remarkable functional and esthetic outcomes with improvements in the immense psychological, social, and emotional burdens that can arise in these patients.

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Background:  End-to-side (ETS) anastomoses are useful when preservation of distal vascularity is critical. The ideal ETS microanastomosis should maintain a wide aperture and have a smooth take-off point to minimize turbulence, vessel spasm, and thrombogenicity of the suture line. We have developed a unique, dependable, and reproducible geometric technique for ETS anastomoses, and analyze its efficacy in our series of patients.

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Background: Although perforator flaps from the pectoral branch of the thoraco-acromial (TA) axis have been well-described, there are few reports of perforator flaps based on the delto-acromial (DA) branches. We have found a reliable perforator coming off the DA branch of the TA axis, and have named a flap based on this vessel the delto-acromial perforator (DAP) flap. We describe our experience with the DAP flap together with a fresh cadaver anatomical study.

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Background And Objectives: Reliable flap monitoring is crucial to the success of free tissue transfer, including vascularized lymph node transfer (VLNT). However, no large-scale study has examined implantable Doppler monitoring in VLNT. We aimed to determine whether an implantable Doppler system can reliably monitor flap perfusion during VLNT and also to calculate the sensitivity and specificity of this system for detecting compromise in the monitored vessel.

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Autologous breast reconstruction using the deep inferior epigastric artery perforator (DIEP) flap has become increasingly popular because of its unique advantages. However, compared with some other forms of abdominal-based autologous reconstruction, DIEP flaps are associated with an increased risk of venous congestion. Many techniques-or lifeboats-have been introduced to diagnose and treat this potentially devastating complication.

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Background And Objectives: Prior radiotherapy leads to increased wound complication rates for microsurgical reconstruction of pharyngolaryngeal (PL) defects. Incorporating vastus lateralis muscle together with anterolateral thigh flap (ALT) skin in defect reconstruction is useful in protecting vital structures and reinforcing irradiated neck skin and suture lines. This study shows the utility of the musculocutaneous ALT (MC ALT) in PL reconstruction in previously irradiated patients.

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Reconstruction of pharyngolaryngoesophageal defects following salvage surgery in patients with a history of chemoradiation is a challenging problem with a high incidence of pharyngocutaneous fistula. The authors describe three cases of successful reconstruction of partial pharyngolaryngoesophageal defects using a modified radial forearm free flap with additional dermal reinforcement and review the literature for innovations in the use of radial forearm free flap for reconstruction of these difficult cases. Modification of the radial forearm free flap makes it a versatile, reliable flap that has become the "go-to" flap for partial pharyngolaryngoesophageal reconstruction.

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