Nutritional markers for predicting lower extremity free tissue transfer outcomes in the chronic wound population.

MedStar author(s):
Citation: Microsurgery. 2021 Aug 06PMID: 34357655Institution: MedStar Washington Hospital CenterDepartment: MedStar Georgetown University Hospital | Plastic Surgery Residency | Surgery/Plastic SurgeryForm of publication: Journal ArticleMedline article type(s): Journal ArticleSubject headings: IN PROCESS -- NOT YET INDEXEDYear: 2021ISSN:
  • 0738-1085
Name of journal: MicrosurgeryAbstract: BACKGROUND: Optimizing nutritional status is critical to maximize flap success and healing. Prealbumin and albumin have been utilized as easily obtained proxies for overall nutritional status. The aim of this study was to investigate whether these markers are correlated with healing time and overall flap healing after lower extremity (LE) free tissue transfer (FTT) in the chronic wound population.CONCLUSIONS: Low preoperative albumin, when defined as <3.5 g/dl, and prealbumin did not correlate with TFH or FH. Contrarily, when defined as <2.7 g/dl, low preoperative albumin correlated significantly with increased TFH and decreased FH rates. Further investigation into validated biomarkers and their thresholds is needed to assess the effect of nutritional status on wound healing and guide perioperative optimization. Copyright (c) 2021 Wiley Periodicals LLC.METHODS: A retrospective review of LE chronic wound FTT patients treated by a single surgeon at our institution from 2011 to 2020 was performed. Data collected included demographics, comorbidities, flap characteristics, and perioperative labs. The outcomes of interest were flap healing (FH) and time to flap healing (TFH).RESULTS: We identified 69 patients undergoing LE FTT for limb salvage meeting our inclusion criteria. When using a threshold of <3.5 g/dl for low albumin and < 20 mg/dl for low prealbumin, no significance was found between FH or TFH and preoperative albumin or preoperative prealbumin. With low albumin defined as <2.7 g/dl with the prealbumin threshold unchanged, TFH was significantly increased, and FH was significantly decreased compared with the defined normal preoperative albumin group.All authors: Bhardwaj P, Dekker PK, Evans KK, Fan KL, Kim KG, Mishu M, Rogers A, Zolper EGFiscal year: FY2022Digital Object Identifier: Date added to catalog: 2021-11-01
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Journal Article MedStar Authors Catalog Article 34357655 Available 34357655

BACKGROUND: Optimizing nutritional status is critical to maximize flap success and healing. Prealbumin and albumin have been utilized as easily obtained proxies for overall nutritional status. The aim of this study was to investigate whether these markers are correlated with healing time and overall flap healing after lower extremity (LE) free tissue transfer (FTT) in the chronic wound population.

CONCLUSIONS: Low preoperative albumin, when defined as <3.5 g/dl, and prealbumin did not correlate with TFH or FH. Contrarily, when defined as <2.7 g/dl, low preoperative albumin correlated significantly with increased TFH and decreased FH rates. Further investigation into validated biomarkers and their thresholds is needed to assess the effect of nutritional status on wound healing and guide perioperative optimization. Copyright (c) 2021 Wiley Periodicals LLC.

METHODS: A retrospective review of LE chronic wound FTT patients treated by a single surgeon at our institution from 2011 to 2020 was performed. Data collected included demographics, comorbidities, flap characteristics, and perioperative labs. The outcomes of interest were flap healing (FH) and time to flap healing (TFH).

RESULTS: We identified 69 patients undergoing LE FTT for limb salvage meeting our inclusion criteria. When using a threshold of <3.5 g/dl for low albumin and < 20 mg/dl for low prealbumin, no significance was found between FH or TFH and preoperative albumin or preoperative prealbumin. With low albumin defined as <2.7 g/dl with the prealbumin threshold unchanged, TFH was significantly increased, and FH was significantly decreased compared with the defined normal preoperative albumin group.

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