التفاصيل البيبلوغرافية
| العنوان: |
Microdialysis in postoperative monitoring of microvascular free flaps: Experiences with a decision algorithm. |
| المؤلفون: |
Birkenfeld, Falk, Naujokat, Hendrik, Nicolai Purcz, Ann-Kristin Helmers, Möller, Björn, Wiltfang, Jörg |
| المصدر: |
Journal of Cranio-Maxillofacial Surgery; Aug2019, Vol. 47 Issue 8, p1306-1309, 4p |
| مصطلحات موضوعية: |
REOPERATION, MAXILLOFACIAL surgery, FREE flaps, SURGERY practice, ISCHEMIA diagnosis, ORAL cancer |
| مستخلص: |
Reconstruction with free flaps has become a usual practice in maxillofacial surgery. Clinical monitoring is still the standard approach for postoperative follow-up, but can be difficult or impossible with intraorally situated or buried flaps. Microdialysis is a sampling technique that offers the possibility to monitor the metabolism of flaps continuously. It is a reliable method for early diagnosis of ischemia. 48 microvascular free flaps applied following oral cancer resection were monitored with a microdialysis (MD) catheter, placed in the flap. Glucose, lactate, and lactate/pyruvate ratio were monitored using a bedside analyser for 5 days. 48 free flaps served as controls and were assessed (refill, flap temperature, and color) by clinical monitoring (CM). 12 flaps monitored by MD showed abnormal metabolism and underwent revision. Eight flaps were saved and four were lost within the first 5 days postoperatively. In addition, two flaps were lost at days 15 and 30 postoperatively, without previous complications. Four flaps assessed by CM developed complications, underwent revision, and were saved. In addition, five flaps were lost between the 8th and 23rd days postoperatively, without revision, due to missing previous clinical signs. Postoperative monitoring of free flaps using a microdialysis decision algorithm allows early diagnosis of anastomotic complications. It is a clinically feasible and sensitive monitoring method for microvascular flaps, allowing surgical revision to be undertaken before clinical alteration takes place. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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