5 results on '"Si-Ook Baek"'
Search Results
2. Efficacy and patient satisfaction regarding lymphovenous bypass with sleeve-in anastomosis for extremity lymphedema
- Author
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Jae-Ho Chung, Si-Ook Baek, Ho-Jin Park, Byung-Il Lee, Seung-Ha Park, and Eul-Sik Yoon
- Subjects
lymphedema ,microsurgery ,lower extremity ,upper extremity ,Surgery ,RD1-811 - Abstract
Background When performing lymphovenous anastomosis, it is sometimes difficult to find venules in the proximity of an ideal lymphatic vessel that have a similar diameter to that of the lymphatic vessel. In this situation, larger venules can be used. Methods The authors evaluated the efficacy of and patient satisfaction with lymphovenous bypass with sleeve-in anastomosis. Between January 2014 and December 2016, we performed this procedure in 18 patients (eight upper extremities and 10 lower extremities) with secondary lymphedema. Lymphovenous bypass with sleeve-in anastomosis was performed under microscopy after injecting indocyanine green dye. The circumferential diameter was measured before lymphovenous bypass and at 1, 2, and 6 months after the procedure. An outcomes survey that included patients’ qualitative satisfaction with lymphovenous bypass was conducted at 6 months postoperatively. Results Almost all patients showed quantitative improvements after surgery. The circumferential reduction rate in patients with stage II lymphedema of both the upper and lower extremities was significantly greater than in their counterparts with stage III/IV lymphedema. The circumferential reduction rate was lower in lower-extremity patients than in upper-extremity patients. Conclusions Lymphovenous bypass surgery with sleeve-in anastomosis in lymphedema patients is beneficial, and appears to be effective, when adequately-sized venules cannot be found in the proximity of an ideal lymphatic vessel.
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- 2019
- Full Text
- View/download PDF
3. Choice of recipient vessels in muscle-sparing transverse rectus abdominis myocutaneous flap breast reconstruction: A comparative study
- Author
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Eul Sik Yoon, Byung Il Lee, Jaemin Lee, Kyung Chul Moon, Seo Yoon Jang, Seung Ha Park, and Si Ook Baek
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medicine.medical_specialty ,Demographics ,business.industry ,medicine.medical_treatment ,lcsh:Surgery ,lcsh:RD1-811 ,030230 surgery ,Surgery ,Mammary arteries ,03 medical and health sciences ,Postoperative complications ,0302 clinical medicine ,Muscle sparing ,Reconstructive surgical procedures ,030220 oncology & carcinogenesis ,Rectus abdominis myocutaneous flap ,Medicine ,In patient ,Original Article ,Major complication ,business ,Breast reconstruction ,Complication ,Mastectomy - Abstract
Background Thoracodorsal vessels (TDVs) and internal mammary vessels (IMVs) have both been widely employed as recipient vessels for use in free muscle-sparing transverse rectus abdominis myocutaneous (MS-TRAM) flaps. However, whether TDVs or IMVs are preferable as recipient vessels for autologous breast reconstruction with a free MS-TRAM flap remains controversial. The purpose of this study was to compare the clinical outcomes when TDVs were used as recipient vessels to those obtained when IMVs were used as recipient vessels for autologous breast reconstruction with a free MS-TRAM flap. Methods A retrospective matched-cohort study was performed. We retrospectively reviewed data collected from patients who underwent a free MS-TRAM flap for autologous breast reconstructions after mastectomy between March 2003 and June 2013. After a one-to-one matching using age, 100 autologous breast reconstructions were selected in this study. Of the 100 breast reconstructions, 50 flaps were anastomosed to TDVs and 50 to IMVs. Patient demographics and clinical outcomes including operation time, length of hospital stay, postoperative complications, and aesthetic score were compared between the two groups. Results No statistically significant differences were found between the two groups in patient demographics and clinical outcomes, including the complication rates and aesthetic scores. There were no major complications such as total or partial flap loss in either group. Conclusions The results of our study demonstrate that both TDVs and IMVs were safe and efficient as recipient vessels in terms of the complication rates and aesthetic outcomes.
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- 2019
4. Predictors affecting complications and aesthetic outcomes in autologous breast reconstruction with free muscle‐sparing transverse rectus abdominis myocutaneous flaps
- Author
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Eul Sik Yoon, Si Ook Baek, Byung Il Lee, Kyung Chul Moon, and Seung Ha Park
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Adult ,medicine.medical_specialty ,Esthetics ,Mammaplasty ,medicine.medical_treatment ,Operative Time ,Rectus Abdominis ,Disease ,030230 surgery ,Body Mass Index ,03 medical and health sciences ,Postoperative Complications ,0302 clinical medicine ,Risk Factors ,Diabetes mellitus ,medicine ,Humans ,Mastectomy ,Aged ,Retrospective Studies ,Chemotherapy ,Endocrine disease ,business.industry ,Length of Stay ,Middle Aged ,medicine.disease ,Myocutaneous Flap ,Surgery ,Radiation therapy ,030220 oncology & carcinogenesis ,Female ,business ,Breast reconstruction ,Body mass index - Abstract
Identification and understanding of predictors for complications and aesthetic outcomes in free muscle-sparing transverse rectus abdominis myocutaneous (MS-TRAM) flap are essential for successful breast reconstruction. The purpose of this study was to investigate predictors for complications and aesthetic outcomes in patients who underwent autologous breast reconstruction with free MS-TRAM flaps.Between March 2003 and September 2017, a total of 214 patients who underwent breast reconstruction with MS-TRAM flaps were included in this study. Mean age of the patients was 43.2 years (range, 28-61 years). Four outcome data, including operation time, hospital stay, aesthetic scores, and complications; and 12 patient data, including recipient vessel type, age, body mass index [BMI] 25, smoking status, neoadjuvant chemotherapy, radiotherapy, nipple-sparing mastectomy, contralateral breast surgery, history of hypertension, diabetes mellitus, cardiac disease, and endocrine disease were collected.Five and 52 patients experienced major complications, including partial flap loss, and minor complications, respectively. In stepwise multiple logistic analysis, risk factors for complications were BMI 25 (P 0.001), smoking status (P = 0.012), and neoadjuvant radiotherapy (P = 0.002). BMI 25 (P 0.001), smoking status (P 0.001), contralateral breast surgery (P 0.001), and history of cardiac (P = 0.001) and endocrine disease (P = 0.003) were predictors for aesthetic outcome.Predictors for complications and aesthetic outcomes determined in this study may facilitate microsurgeons engaged in the assessment of patients needing free MS-TRAM flaps.
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- 2019
- Full Text
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5. Intraoral temporalis transposition for facial reanimation: A novel technique in facial nerve palsy
- Author
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Eul Sik Yoon, Doug John Park, Na Hyun Hwang, Byung Il Lee, Jin Woo Kim, Si Ook Baek, Jae-Ho Chung, and Seung Ha Park
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Novel technique ,Reconstructive surgery ,medicine.medical_specialty ,Facial Paralysis ,Temporal Muscle ,Smiling ,Transposition (music) ,03 medical and health sciences ,0302 clinical medicine ,medicine ,Bell Palsy ,Humans ,Orthodontics ,Palsy ,business.industry ,030206 dentistry ,Cheek ,Plastic Surgery Procedures ,Facial Nerve ,medicine.anatomical_structure ,Otorhinolaryngology ,Facial reanimation ,030220 oncology & carcinogenesis ,Facial nerve palsy ,Surgery ,Oral Surgery ,business ,Cadaveric spasm - Abstract
Background Facial palsy patients require reconstructive surgery because they suffer from an expressionless and deformed appearance especially during smiling. To gain a natural smile, various dynamic procedures rather than static procedures are performed. Through cadaveric studies with clinical implications on temporalis muscle and intraoral transposition, we were able to come up with a more effective and less invasive procedure than the conventional temporalis muscle transposition or lengthening temporalis myoplasty. The aim of this study is to describe our novel surgical technique for facial reanimation and evaluate its efficacy. Method Two intraoral incisions were made. Through the posterior incision, the tendinous portion of the temporalis was separated from the coronoid process and anterior border of the ramus. Through the anterior incision, submucosa tunneling was performed to fixate the temporalis tendon onto the new perioral site. Results 14 patients with facial palsy underwent intraoral temporalis transposition and their mouth corner excursion was measured for objective assessment after surgery. At resting state, mouth and cheek drooping was improved. At smiling, the excursion of the unaffected side was 10–17 mm. For the reconstructed side, 8 cases were considered excellent (exceeding 75% of normal side), 5 cases were considered good (exceeding 50%), and 1 case fair (exceeding 25%). Conclusion This temporalis transposition through the intraoral approach is a novel technique for facial reanimation reconstruction. It is s less invasive, immediately effective method with rapid recovery and minimal donor site morbidity without visible scar. Level of evidence IV.
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- 2019
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