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Geyik A, Koc B, Micili SC, Kiray M, Vayvada H, Guler S. Effect of decorin protein administration on rat sciatic nerve injury: an experimental study. Neurol Res 2021; 44:252-261. [PMID: 34581256 DOI: 10.1080/01616412.2021.1975226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Peripheral nerve traumas are common injuries in young adult population. The myriad of techniques and medications have been defined to obtain better recovery but none of them was proved to have superior effect. This study aims to determine the anti-fibrotic effect of the decorin on sciatic nerve injury in order to enhance functional outcome. MATERIALS AND METHODS 24 12-week-old male Sprague-Dawley rats (350-400 gr) were divided into four groups. The sciatic nerve was dissected and exposed; a full-thickness laceration was created 1.5 cm proximal to the bifurcation point and 1.5 cm distal to where it originated from the lumbosacral plexus. Motor and sensory tests were conducted before and after the operations for evaluating the nerve healing. RESULTS There was a statistically significant difference between DCN bolus and PBS bolus group. (p<0.0001, p<0.05) in neuromotor tests. Increase of the latency was significantly lower in DCN bolus and infusion group when compared with the PBS bolus group. (p<0,001). All operated gastrocnemius muscles were atrophic compared with the contralateral side. The differences between the averages in the sciatic functional index, the improvement of the DCN infusion group was 8.6 units better than the PBS group and 4.4 units better than the DCN bolus group. When the amount of stimulation was 10 mV at the proximal segment in electromyography, there was no significant difference between the DCN bolus and sham groups. (p> 0.05, p = 0.6623). CONCLUSION Decorin protein reduces the fibrosis and enhances the motor and sensory recovery both clinically and histologically. Despite the high cost, short half-life and production issues, this protein could be administered after the microsurgical repair but more studies are required to overcome the limitations.
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Affiliation(s)
- Alper Geyik
- Department of Plastic, Reconstructive, and Aesthetic Surgery, Dokuz Eylul University, Izmir, Turkey
| | - Basar Koc
- Department of Physiology, Dokuz Eylul University, Izmir, Turkey
| | | | - Müge Kiray
- Department of Physiology, Dokuz Eylul University, Izmir, Turkey
| | - Haluk Vayvada
- Department of Plastic, Reconstructive, and Aesthetic Surgery, Dokuz Eylul University, Izmir, Turkey
| | - Selin Guler
- Department of Plastic, Reconstructive, and Aesthetic Surgery, Dokuz Eylul University, Izmir, Turkey
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Kaptan H, Yuzbasi F, Özturk F, Vayvada H. Deep Brain Stimulation Hardware Infections: A Case Series. Open Access Maced J Med Sci 2020. [DOI: 10.3889/oamjms.2020.5530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND: The device-related infections and erosion of the surgical wound site are special circumstances among complications of deep brain stimulation (DBS).
AIM: We aimed to discuss different aspects of hardware infections and contribute to the literature by presenting our treatment methods on four patients.
MATERIAL AND METHODS: This study was carried out in the Department of Neurosurgery, School of Medicine Hospital, Dokuz Eylul University. Four DBS cases were included in the study, and a retrospective study was performed.
RESULTS: Electrode placement to bilateral subthalamic nuclei was performed due to Parkinson’s Disease to all four patients. One of the patients was undergone surgical wound site revision 6 times and device removal at last due to device-related infection and erosion of the surgical wound site. The second patient was undergone surgical wound site revision for 2 times and device removal at last due to device-related infection and erosion of the surgical wound site. The third patient had a collection subcutaneously, where the pulse generator was placed. The collection was aspirated. The fourth patient was undergone surgical wound site revision and device removal at last due to device-related infection and erosion of the surgical wound site. All four patients were given IV antibiotics.
CONCLUSION: For the treatment of DBS device-related infections, a long-term IV antibiotherapy is a suitable option before the decision of device removal.
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Demirdover C, Geyik A, Vayvada H. Necrotising fasciitis or pyoderma gangrenosum: A fatal dilemma. Int Wound J 2019; 16:1347-1353. [PMID: 31418533 DOI: 10.1111/iwj.13196] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 08/01/2019] [Accepted: 08/02/2019] [Indexed: 11/30/2022] Open
Abstract
Necrotising fasciitis (NF) is mostly a polymicrobial, severe soft tissue infection that progresses rapidly, penetrating through the subcutaneous tissue to the fascial planes and the muscles. The pyoderma gangrenosum (PG), on the other hand, is a rare, rapidly progressive (except for the post-surgical PG), autoinflammatory ulcerative skin and soft tissue condition. In this study, we tried to emphasise the importance of diagnosing the NF as well as the PG. Although these two clinical presentations have some standard features, awareness of different symptoms in detail affect the outcome. Any surgical discipline can face NF or PG and, therefore, should be aware of them to decrease the mortality rate. Forty-five patients with NF and PG who were treated between January 2008 and October 2018 were included in the study and evaluated retrospectively for age, sex, localisation, onset of symptoms and diagnosis, predisposing factors, characteristics of tissue defects, laboratory findings, Laboratory Risk Indicator for Necrotising Fasciitis (LRINEC) scores, isolated microbiological agents, surgical intervention, and mortality rate. Demographic, laboratory, and clinical data were analysed. Among these 45 patients, 14 patients had PG, and 31 patients had NF. The mean age and SD for the NF and PG groups were 50.80 ± 17.67 and 50.78 ± 12.72, respectively. Five patients had rheumatological disorders; four patients had diabetes mellitus (DM) in the PG group. Males had higher risk than females in NF (odds ratio [OR] = 0.077, 95% confidence interval [CI] 0.017-0.34), and females had higher risk in PG (relative risk [RR] = 5). We compared the LRINEC score of NF patients with PG patients. The mean value of this score was 4.53 for PG patients, and 6.06 for NF patients. Fifteen patients (33.3%) had a radiological evaluation. MRI, CT, and USI were used as imaging modalities. Necrotising fasciitis and PG are two distinct entities that are in general difficult to distinguish. Therefore, differential diagnosis and rapid treatment are crucial for lowering the mortality rate.
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Affiliation(s)
- Cenk Demirdover
- Department of Plastic, Reconstructive and Aesthetic Surgery of Dokuz Eylul University, Izmir, Turkey
| | - Alper Geyik
- Department of Plastic, Reconstructive and Aesthetic Surgery of Dokuz Eylul University, Izmir, Turkey
| | - Haluk Vayvada
- Department of Plastic, Reconstructive and Aesthetic Surgery of Dokuz Eylul University, Izmir, Turkey
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Demirdover C, Geyik A, Vayvada H, Menderes A. Is Histological Evaluation of Reduction Mammaplasty Specimens Worthwhile? Aesthet Surg J 2019; 39:NP178-NP184. [PMID: 30371739 DOI: 10.1093/asj/sjy295] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Reduction mammaplasty (RM) is one of the most common plastic surgery procedures. Despite its cost, the total number of RM procedures continues to increase every year. OBJECTIVES The purpose of this study is to review the prevalence of benign and malignant breast lesions among women who live in the Aegean region of Turkey, based on our university hospital's records and to compare our results with those in the literature. METHODS Seven hundred and thirty-three consecutive female patients who underwent RM between January 2003 and January 2017 in the Department of Plastic, Reconstructive, and Aesthetic Surgery were included in this study. RESULTS One hundred and sixty-five patients (23.4%) had preoperative breast imaging results. According to the Breast Imaging Reporting and Data System (BIRADS), most of these patients had BI-RADS-2 and BIRADS-1 findings (41.21% and 40%, respectively). Fibrocystic changes were the most common lesions (81.3%). Sixty-eight patients (9.6%) had normal breast tissue on the right side and 34 patients (4.8%) had the same on the left side. Five patients (0.71%) had atypical ductal hyperplasia and no atypical lobular carcinoma. Four patients (0.56%) had occult breast cancer and one patient (0.14%) had benign phyllodes tumor. CONCLUSIONS RM is a good opportunity to detect proliferative lesions and occult breast cancer. While meeting the patient's aesthetic desires, the plastic surgeon should consider for histopathological evaluation. We suggest that every part of the breast tissue should be sent to pathological examination regardless of the weight of the specimen. Even if health insurance does not cover its cost, patients should be informed about the importance of this process. LEVEL OF EVIDENCE: 4
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Affiliation(s)
- Cenk Demirdover
- Department of Plastic, Reconstructive, and Aesthetic Surgery, Dokuz Eylul University, Izmir, Turkey
| | - Alper Geyik
- Department of Plastic, Reconstructive, and Aesthetic Surgery, Dokuz Eylul University, Izmir, Turkey
| | - Haluk Vayvada
- Department of Plastic, Reconstructive, and Aesthetic Surgery, Dokuz Eylul University, Izmir, Turkey
| | - Adnan Menderes
- Department of Plastic, Reconstructive, and Aesthetic Surgery, Dokuz Eylul University, Izmir, Turkey
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Abstract
BACKGROUND AND AIMS The reconstruction of the lower lip defects which may result from malignancy, trauma, and burn is necessary for mastication, oral competence, salivary retain, articulation, and aesthetic appearance of the face. While small (30% of the lower lip) and medium (30%-80% of the lower lip) size defects are reconstructed using primary repair and local flaps, reconstruction of the large defects including total and near-total of the lower lip is very challenging entity. We introduce a new modification of the fan flap named extended fan flap for reconstruction of the total and near-total lower lip defects. MATERIAL AND METHODS The extended fan flap was used for 12 patients with defects involving more than 80% of the lower lip due to squamous cell carcinoma excision. Most of the patients were males (80.9%) with an average age of 66.8 years (range, 47-82 years). RESULTS No major complication is observed in the postoperative period. The functional and aesthetic results were satisfactory. The sphincter function for normal mastication, eating, and salivary retain was reestablished. No microstomy was seen and insertion of artificial dentition was possible for patients. CONCLUSION We believe that the unilateral extended fan flap is a reliable and safe option with satisfactory functional and aesthetic results for total and near-total (more than 80%) lower lip defects.
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Affiliation(s)
- C Demirdover
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, Faculty of Medicine, Dokuz Eylül University, Izmir, Turkey
| | - H Vayvada
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, Faculty of Medicine, Dokuz Eylül University, Izmir, Turkey
| | - F A Ozturk
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, Faculty of Medicine, Dokuz Eylül University, Izmir, Turkey
| | - H S Yazgan
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, Faculty of Medicine, Dokuz Eylül University, Izmir, Turkey
| | - C Karaca
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, Faculty of Medicine, Dokuz Eylül University, Izmir, Turkey
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Demirdover C, Ozturk F, Yazgan H, Yogurtcu N, Sevindik M, Vayvada H. Surgical treatment and functional outcomes of multicomponent soft tissue injuries of the wrist. Hand Surgery and Rehabilitation 2018; 37:160-166. [DOI: 10.1016/j.hansur.2018.02.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 12/07/2017] [Accepted: 02/09/2018] [Indexed: 11/30/2022]
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Geyik A, Demirdover C, Yazgan H, Ozturk F, Cakmak S, Vayvada H, Menderes A, Yilmaz M. Epidemiologic analysis and evaluation of complications in 1266 cases with maxillofacial trauma. Turk J Plast Surg 2018. [DOI: 10.4103/tjps.tjps_10_18] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Geyik A, Demirdover C, Vayvada H. Extracorporeal liposuction technique for lipofilling after standard abdominoplasty procedure. Turk J Plast Surg 2018. [DOI: 10.4103/tjps.tjps_6_18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Vayvada H, Demirdover C, Menderes A, Yilmaz M, Karaca C. The Functional Results of Acute Nerve Grafting in Traumatic Sciatic Nerve Injuries. ULUS TRAVMA ACIL CER 2013; 19:109-14. [DOI: 10.5505/tjtes.2013.33279] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Vayvada H, Demirdover C, Menderes A, Karaca C. Necrotising fasciitis in the central part of the body: diagnosis, management and review of the literature. Int Wound J 2012; 10:466-72. [PMID: 22694053 DOI: 10.1111/j.1742-481x.2012.01006.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Necrotising fasciitis (NF) is characterised by rapidly spreading necrosis of the soft tissue and fascia. It is rare but can be fatal when not managed properly. The aim of this study is to evaluate the diagnosis, treatment and results such as mortality, morbidity and reconstructive options of NF localised in the central part of the body. The main goal is to emphasise upon the clinical symptoms for early diagnosis which is the most important factor in saving the lives of these patients. Between January 2000 and December 2010, 30 patients with NF localised in central parts of the body were treated. Six of the patients were female (20%) and the others were male (80%). The mean age was 54·03 years (ranged between 26 and 83 years). The average time from the onset of symptoms to diagnosis was 6 days, ranging from 2 to 11 days. The localisation of NF was perineum in 24 patients (80%); inguinal and thigh region in 5 patients (16·7); and back in 1 patient (3·3%). The hospitalisation time was varying between 17 and 32 days (mean 23 days). Six patients (20%) died and 24 patients (80%) survived. All non-survivors had risk factors and secondary comorbidities such as immunosuppression, chronic cardiac failure, and diabetes with high glucose level. Survivors also underwent repeated debridement operation 2-4 times. Reconstructive procedures were split-thickness skin graft (STSG) in eight patients (33·3%), fasciocutaneous flaps in four patients (16·6%), fasciocutaneous flap + STSG in six patients (25%), scrotal flap + STSG in two patients (6·6%), scrotal flap in two patients (6·6%) and musculocutaneous flap + STSG in one patient (3·3%). There was no major complication such as flap and graft loss, after reconstructive procedures. Early diagnosis of NF may be the lifesaving factor. Amuputation can save the patient's life in the case of NF in the extremities; however, this is not an option for NF in central parts of the body. In these cases, when NF is suspected, early debridement of necrotic tissues should be performed. As soon as the infection and the spread of the necrosis are controlled, reconstruction should be considered.
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Affiliation(s)
- Haluk Vayvada
- Plastic and Reconstructive Surgery, Dokuz Eylul University, Faculty of Medical, İnciraltı, Izmir, Turkey.
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Vayvada H, Demirdover C, Menderes A, Karaca C. Necrotizing fasciitis: Diagnosis Treatment and Review of the Literature. ULUS TRAVMA ACIL CER 2012; 18:507-13. [DOI: 10.5505/tjtes.2012.97523] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Abstract
BACKGROUND The pedicled or free temporoparietal fascial has been used in many areas, especially in head and neck reconstruction. This thin, pliable, highly vascularized flap may be also transferred as a carrier of subjacent bone or overlying skin. OBJECTIVE The aim of this study is to report our experience in versatile use of temporoparietal fascial flap (TPFF) and discuss the surgical anatomy and technique. PATIENTS AND METHODS A total number of 57 TPFFs have been used in periorbital, mid-facial, auricular, and tracheal reconstruction due to tumor resection, trauma, and congenital ear deformities. RESULTS All the flaps were successfully transferred without any major complication. The cosmetic results were quite satisfactory to all patients. CONCLUSION The advantages and minimal donor site morbidity of TPPF makes this flap a good choice in many reconstructive procedures.
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Affiliation(s)
- Cenk Demirdover
- Department of Plastic Reconstructive and Aesthetic Surgery, Dokuz Eylul University, Faculty of Medicine, Izmir, Turkey
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Abstract
BACKGROUND Hidradenitis suppurativa (HS) is a chronic, relapsing inflammatory disease of skin, characterized by recurrent draining sinuses and abscesses, predominantly in skin folds carrying terminal hairs and apocrine glands. METHOD This study reviewed 54 sites in 27 patients with moderate to extensive chronic inflammatory skin lesions treated surgically in our hospital from 2004 through 2009, with a follow-up of at least 6 months. RESULT A total number of 54 operative procedures were performed during the study period with 42% (23 sites) involving the axilla, 20% (11 sites) involving the gluteal area, %24 (13 sites) involving the perineal area and 12% (7 sites) involving the inguinal region. CONCLUSION Conservative treatment methods have little or no effects especially on gluteal, perineal/perianal, axillary hidradenitis suppurativa. The morbidity associated with the established form of this disease is significant, and the only successful treatment is wide surgical excision.
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Affiliation(s)
- Adnan Menderes
- Plastic Rec. and Aesthetic Surgery, Medical Faculty, Dokuz Eylul University, Inciralti-Izmir, Turkey
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Baytekin C, Menderes A, Mola F, Balik O, Tayfur V, Vayvada H. Total vaginal reconstruction with combined 'Split Labia Minora Flaps' and full-thickness skin grafts. J Obstet Gynaecol Res 2007; 33:524-8. [PMID: 17688622 DOI: 10.1111/j.1447-0756.2007.00575.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
PURPOSE Vaginal reconstruction with split-thickness skin grafts is the most common method for total vaginal reconstruction. Although it has disadvantages like contraction of the graft, foreshortening, donor site morbidity and long-lasting periods of vaginal standing; its easy surgical technique makes it popular. A new method using split labia minora (LM) flaps and full-thickness skin graft is discussed in this study. METHOD A 19-year-old female was presented with amenorrhea. A total absence of vagina was present and the patient underwent a total vaginal reconstruction for possible sexual intercourse. RESULTS We observed no contraction and no foreshortening with a patent vaginal cavity up to 11 cm and 4.5 cm width. The need for continuous standing period was as short as 4 weeks and for intermittent standing up to 4 months. Sexual intercourse was encouraged after 4 weeks. During sexual intercourse no external lubrication was reported to be needed. There was no need for further reconstructive intervention. CONCLUSION Vaginal reconstruction in congenital vaginal agenesis with split LM flaps and full-thickness skin grafts is a simple and effective method, which shortens the standing period and decreases the contraction in neovagina. Total vaginal reconstruction with split LM flaps could also be possible; to achieve this goal, expansion of LM flaps could be a further alternative.
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Affiliation(s)
- Caghan Baytekin
- Kocaeli Acibadem Hospital, Department of Plastic and Reconstructive Surgery, Izmit, Turkey.
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Abstract
Chemical burns, in particular because of hydrofluoric acid, are not common in the pediatric emergency department. Here, we describe an infant presenting with digital ischemic findings owing to late diagnosis of hydrofluoric acid splash in domestic setting.
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Affiliation(s)
- Korcan Demir
- Departments of aPediatrics bPlastic and Reconstructive Surgery, Dokuz Eylul University, Medical School, 35340 Narlidere-Izmir, Turkey
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Abstract
The main aim of this study is to evaluate the advantages, disadvantages, and aesthetic results of the total lower eyelid reconstruction with paranasal flap. The other reconstruction methods are also revisited.Ten patients, who were operated for the reconstruction of total lower eyelid defects between November, 1999 and April, 2005 in our department were included in this study. The total lower eyelid defects of all patients were reconstructed using paranasal flap for anterior lamella and chondromucosal, chondrocutaneous or mucosal graft for posterior lamella. Follow-up time was ranged between 3-35 months. The advantages, disadvantages and complications were defined and aesthetic results of the patients were also evaluated by using a questionnaire which was filled by patients at third month after reconstruction. All flaps and grafts survived, partial or total necrosis was not encountered but one patient with ectropion had a secondary reconstructive procedure. The aesthetic results of the patients were also satisfactory. The paranasal flap is very reliable and safe method for total lower eyelid reconstruction.
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Affiliation(s)
- Haluk Vayvada
- Dokuz Eylul University Medical Faculty Department of Plastic and Reconstructive Surgery Izmir, Turkey.
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Vayvada H, Mola F, Menderes A, Yilmaz M. Surgical Management of Ameloblastoma in the Mandible: Segmental Mandibulectomy and Immediate Reconstruction With Free Fibula or Deep Circumflex Iliac Artery Flap (Evaluation of the Long-Term Esthetic and Functional Results). J Oral Maxillofac Surg 2006; 64:1532-9. [PMID: 16982313 DOI: 10.1016/j.joms.2005.11.065] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2005] [Revised: 10/24/2005] [Accepted: 11/10/2005] [Indexed: 11/21/2022]
Abstract
PURPOSE Ameloblastoma is responsible for 1% of all the oral and maxillomandibular cysts and tumors. It is odontogenic in origin and benign in nature but it has a high percentage of local recurrence rate and possible malignant development when treated inadequately. With the advancement of craniofacial surgical techniques, use of free flaps for mandibular reconstruction, and dental rehabilitation (such as osseointegration), the segmental mandibulectomy and immediate reconstruction with free flaps are beginning to be used more effectively for the treatment of the mandibular ameloblastoma. The aim of this article is to evaluate the clinical results of the patients with mandibular ameloblastoma who were treated with segmental mandibulectomy and immediate reconstruction with free flaps. PATIENTS AND METHODS We present 11 patients who had segmental mandibulectomy and immediate reconstruction with free deep circumflex iliac artery or fibular flap for treatment of mandibular ameloblastoma. The average age of the patients was 25.4 years (range, 18-38 years). The patients were followed up for a mean of 29.3 months (range, 17-38 months). The functional and esthetic results were also evaluated by using a questionnaire in the long term. The questionnaire consisted of questions addressing oral continence, diet, social activities, speech, and facial appearance. RESULTS All flaps survived totally. Recurrence was not detected during the follow-up period. It was found that all patients had good esthetic and functional results after immediate reconstruction. The social activities of patients also were not affected after treatment. CONCLUSIONS We experienced that segmental mandibulectomy with safe borders and immediate reconstruction with free fibula flap or deep circumflex iliac artery (DCIA) flap is an ideal treatment method for mandibular ameloblastoma. The functional and esthetic results are also detected as very satisfactory for the patients.
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Affiliation(s)
- Haluk Vayvada
- Department of Plastic and Reconstructive Surgery, Dokuz Eylul University, Faculty of Medicine, Izmir, Turkey.
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Karaca C, Menderes A, Baytekin C, Ozer E, Vayvada H. INTERESTING CASE: Endosteal formation of new bone around a Kirschner wire in long term follow up of a patient with mandibular Ewing sarcoma. Br J Oral Maxillofac Surg 2006; 44:216. [PMID: 16677918 DOI: 10.1016/j.bjoms.2005.03.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2004] [Accepted: 03/31/2005] [Indexed: 11/17/2022]
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Menderes A, Aydin OE, Vayvada H, Baytekin C, Yilmaz M. Aerobic Actinomyces spp. infection within a silicone tissue expander: A case report. J Plast Reconstr Aesthet Surg 2006; 59:560-1. [PMID: 16749205 DOI: 10.1016/j.bjps.2005.07.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Ozdogan O, Imren Y, Topcu I, Gurel D, Vayvada H, Durak H. Changing Nodule Activity With Time on Tc-99m Pertechnetate Thyroid Scintigraphy. Clin Nucl Med 2006; 31:168-9. [PMID: 16495742 DOI: 10.1097/01.rlu.0000200732.79444.df] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Ozhan Ozdogan
- Department of Nuclear Medicine, Dokuz Eylül University School of Medicine, Izmir, Turkey.
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Affiliation(s)
- Haluk Vayvada
- Department of Plastic Reconstructive and Aesthetic Surgery, School of Medicine of Dokuz Eylül University, Turkey
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Abstract
Close-range, high-energy shotgun wounds of the face are life-threatening and devastating traumas of the face. Suicidal attempts are the main reason in the great majority of the patients in civilian life. There is no consensus on the timing of reconstruction for bone and soft tissue defects resulting from high-energy shotgun wounds. The conventional method is primary repair as soon as possible and serial debridements and definitive reconstruction in the delayed stage. An alternative to this approach is the immediate definitive surgical reconstruction of the patient during the first operation for acute management of trauma. We had 15 patients with close-range, high-energy shotgun wounds in 10 years. Six of 15 patients referred to our center for definitive reconstruction after the acute management of the patients were performed in another center and the rest were all admitted in the acute period. Either conventional approach with delayed reconstruction for 10 patients or immediate definitive surgical reconstruction for 5 patients was used. Immediate reconstruction eliminated disadvantages of the conventional method such as high infection and scarring rate and deformities resulting from contraction of tissues. The emotional conditions of the patients were evaluated and major depression signs were determined. Functional evaluation showed that there was great correlation between facial appearance after reconstruction and social activity level.
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Affiliation(s)
- Haluk Vayvada
- Department of Plastic and Reconstructive Surgery, Dokuz Eylul University, Faculty of Medicine, Izmir, Turkey.
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Vayvada H, Karaca C, Menderes A, Yilmaz M. Question mark ear deformity and a modified surgical correction method: a case report. Aesthetic Plast Surg 2005; 29:251-4; discussion 255. [PMID: 16044239 DOI: 10.1007/s00266-004-0136-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Question mark ear (Cosman ear) deformity, a rare congenital malformation, is characterized by a cleft between the helix and the ear lobe and marked prominence of the auricles. Although the features of question mark ear deformity are well described in the literature, there is no definitive surgical technique for repair of this deformity, Several surgical methods have been introduced for the correction of the deformity. These techniques mainly provide for repair of the cleft between the helix and ear lobe. However, marked prominence of the upper auricle usually is also present with the cleft. We modified the surgical technique to correct the cleft and the upper prominence at the same time. With this procedure, the cleft is exposed by raising a vertical cutaneous flap based on the cleft on the posterior side of the ear, After anterior scoring to form the antihelix and cleft repair using an ipsilateral conchal cartilage graft, the cutaneous flap is used to cover the cartilage graft and the flap donor site is closed primarily to facilitate restoration of the antihelix. The authors report on a patient with Cosman ear and introduce their modified technique that can be used for repair of the cleft between the helix and ear lobe and the prominence of the upper helix in the same procedure.
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Affiliation(s)
- Haluk Vayvada
- Dokuz Eylul Universities Tip Fakultesi, Plastic ve Rekonstruktif Cerrahi Anabilim Dali, Inciralti Izmir 35340, Turkey.
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Menderes A, Mola F, Vayvada H, Barutcu A. Evaluation of results from reduction mammaplasty: relief of symptoms and patient satisfaction. Aesthetic Plast Surg 2005; 29:83-7. [PMID: 15803353 DOI: 10.1007/s00266-004-0011-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2004] [Accepted: 11/02/2004] [Indexed: 10/25/2022]
Abstract
Reduction mammoplasty is one of the most common operations performed in plastic surgery clinics. Although patients present with functional symptoms, the aim of treatment usually is obtaining aesthetic satisfaction. This retrospective study evaluated charts and operation notes of patients and a self-assessment questionnaire. A detailed questionnaire form was sent to 121 patients who had undergone reduction mammaplasty at the Dokuz Eylul University Medical Faculty Plastic, Reconstructive, and Aesthetic Surgery Clinic between 1991 and 2001. The questionnaire asked the subjects about pre- and postoperative, physical, and psychosocial symptoms, as well as operative satisfaction. The results were evaluated with respect to different techniques. The findings showed that reduction mammaplasty remains a very satisfying procedure for most of the patients undergoing this operation, as indicated by the high rate of patient satisfaction. The limited number of studies in this area and the lack of groups conducting such work in our society indicates the importance of similar study.
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Affiliation(s)
- Adnan Menderes
- Department of Plastic, Reconstructive, and Aesthetic Surgery, Dokuz Eylul University, Faculty of Medicine, Izmir, Turkey
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Menderes A, Mola F, Vayvada H, Yilmaz M, Baytekin C. Dermal suspension flaps for McKissock's vertical bipedicle flap vs. classical McKissock's technique: comparison of aesthetic results and patient satisfaction. Br J Plast Surg 2005; 58:209-15. [PMID: 15710116 DOI: 10.1016/j.bjps.2004.10.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2003] [Accepted: 10/15/2004] [Indexed: 10/26/2022]
Abstract
McKissock's vertical bipedicle flaps technique is a common technique used in reduction mammaplasty. This technique includes a well-vascularised dermal-parenchymal pedicle for safe nipple-areola transposition, but it has been criticised as resulting in a flat breast with inadequate projection after long-term follow-up. Various techniques in which dermal suspension flaps are used have demonstrated decreased secondary ptosis. We used a dermal suspension flap technique for the vertical bipedicled flap of the McKissock's breast reduction and compared it with classical McKissock's technique by review of the patient charts, photographic analysis and patient-satisfaction questionnaire. Evaluations and measurements with postoperative photographs for the dermal brassiere group compared with the classical McKissock breasts were found to be statistically different. There were no differences in complication rates and patient satisfaction between the groups. McKissock's technique with dermal suspension flap is an easy and uncomplicated modification that provides additional advantages for prevention of the secondary ptosis of the reduced breasts in the long term.
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Affiliation(s)
- A Menderes
- Department of Plastic, Reconstructive and Aesthetic Surgery, Faculty of Medicine, Dokuz Eylul University, 35340 Inciralti Izmir, Turkey.
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Abstract
Peritendinous adhesions are the most important complication of flexor tendon injury. In this study, Seprafilm was used for the prevention of peritendinous adhesions following flexor tendon repair. Seprafilm Bioresorbable Membrane (Genzyme Corporation, Cambridge, MA) contains sodium hyaluronate and carboxymethyl cellulose. Thirty New Zealand white male rabbits were divided equally into 3 groups. In all groups, the deep flexor tendon of the third finger of the left back foot was cut and repaired by Kessler-Tajima suture technique. In the first study group following tendon repair, Seprafilm was wrapped around the repaired tendon. In the second study group, sodium hyaluronate gel was injected to the operation field after tendon repair. In the control group, no external material was applied to the field. The study groups had better range of motion. Histopathologically, study groups had less adhesions compared with the control groups. As a result, it was concluded that in rabbit the peritendinous adhesions following flexor tendon repairs could be lowered with Seprafilm and hyaluronic acid.
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Affiliation(s)
- Adnan Menderes
- Dokuz Eylul University, Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery, Izmir, Turkey
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Sahbaz S, Kilinç O, Vayvada H, Topçu A, Yörükoğlu K, Uçan ES. [Distal phalanx metastasis in operated bronchial carcinoma]. Tuberk Toraks 2004; 52:378-81. [PMID: 15558362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023] Open
Abstract
A 54 years old man who admitted with thoracolomber pain and pain at left knee had history of left pneumonectomy four months ago for squamous cell lung carcinoma. At physical examination swelling and hotness at the left knee, swelling and redness of the distal phalanx of the right third finger were found. Distal phalanx was not observed at the X-ray which was taken for suspect of metastasis. Incision biopsy was performed from this lesion and microscopic findings of the material were evaluated as metastatic squamous cell carcinoma. Bone metastasis are seen frequently at bronchial carcinoma, but hand metastasis are seen in 0.2% of all cases. This case is represented because of the rare metastatic localisation of bronchial carcinoma.
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Affiliation(s)
- Sibel Sahbaz
- Pulmonary Diseases, Faculty of Medicine, Dokuz Eylül University, Izmir, Turkey.
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Affiliation(s)
- Mustafa Yilmaz
- Department of Plastic and Reconstructive Surgery, Dokuz Eylul University, Faculty of Medicine, Izmir, Turkey
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Vayvada H, Tayfur V, Menderes A, Yilmaz M, Barutcu A. Giant ganglion cyst of the quadriceps femoris tendon. Knee Surg Sports Traumatol Arthrosc 2003; 11:260-2. [PMID: 12740653 DOI: 10.1007/s00167-003-0364-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2002] [Accepted: 02/10/2003] [Indexed: 10/26/2022]
Abstract
We present the case of a ganglion cyst with 11 x 3 x 2 cm dimensions originating from the quadriceps femoris tendon. The patient presented with palpable mass and chronic pain in the anterolateral thigh region. The pain increased with walking. Ultrasonography and computed tomography revealed a cystic, well defined lesion in the vastus lateralis muscle. The patient was operated on and the cyst excised; it was seen to be a ganglion cyst. The patient is asymptomatic 6 months after surgery. This is a very rare localization for a giant synovial cyst, and preoperative diagnosis is a challenge for the surgeon.
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Affiliation(s)
- Haluk Vayvada
- Department of Plastic, Reconstructive, and Esthetic Surgery, Medical School, Dokuz Eylül University, 35340, Izmir, Turkey
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Abstract
Soft tissue defects following total knee arthroplasty can represent serious problems for the patient and the surgeon. Perioperative soft tissue complications can result in loss of the prosthesis or limb. In this study, we present 17 cases with complex wounds following total knee arthroplasty who had surgery between May-1994 and July-2001. Patient-related factors, wound factors, surgical operation, secondary procedures, and duration of follow-up have been analysed for each patient. After local wound care and debridement, soft tissue defects have been covered with either a fasciocutaneous or gastrocnemius myocutaneous flap. All the knees (100%) have been salvaged although in 1 patient (6%) replacement of the prosthesis was necessary. In 5 patients (30%) secondary surgical procedures have been performed. Even though there is no consensus in the management of soft tissue defects following total knee arthroplasty, adequate wound care, including identification of infection, debridement, and early appropriate defect coverage should be the main points to consider.
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Affiliation(s)
- Adnan Menderes
- Dokuz Eylul University, Department of Plastic and Reconstructive Surgery, Izmir, Turkey
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Menderes A, Yilmaz M, Vayvada H, Demirdover C, Barutçu A. Reverse temporalis muscle flap for the reconstruction of orbital exenteration defects. Ann Plast Surg 2002; 48:521-6; discussion 526-7. [PMID: 11981194 DOI: 10.1097/00000637-200205000-00013] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Orbital exenteration is a surgical procedure that results in devastating functional and aesthetic losses. Many reconstructive techniques, ranging from spontaneous epithelialization to free flaps, have been described for orbital exenteration defects. The temporalis muscle flap is one of the most frequently used flaps to obliterate the orbital cavity, but only a small portion of the muscle can be used for this purpose because most of the muscle is used as the pedicle. The reverse temporalis muscle flap based on the superficial temporal vessels is a versatile flap by which the entire temporalis muscle can be elevated and carried to defects beyond the midline. The authors have used this flap for orbital reconstruction after exenteration in 6 patients with successful results. This flap enables placement of highly vascularized tissue that provides the reconstructive goals of primary healing, obliterates dead space with separation of the orbit from the nasal cavity or sinuses, provides the potential for early postoperative radiotherapy, and offers possible flaps that can be used in combination for complex, wide defects.
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Affiliation(s)
- Adnan Menderes
- Dokuz Eylül University Faculty of Medicine, Department of Plastic and Reconstructive Surgery, Izmir, Turkey
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Abstract
Studies on surgical repair techniques of the peripheral nerve are still trying to improve the outcome. There are many studies on the effects of various neurotrophic factors on the transected peripheral nerve. Muscular neurotization, which is the direct implantation of the nerve to the target denervated skeletal muscle, is one of the techniques used when the primary repair of the peripheral nerves is not possible. The effects of nerve growth factor (NGF), which is one of the primary neurotrophic factors, on the reinnervation of denervated muscles by neurotization is investigated in this experimental study. The denervated soleus muscle was neurotized via peroneal nerve implantation (group 1), and NGF was administered to the neurotized muscle (group 2). All animals were evaluated at weeks 8, 10, and 12 using electromyography. Muscle contractility, muscle weight, and histological morphometric tests were performed at week 12. The experimental groups were compared with each other and normal control values. Electromyographically, group 2 (direct nerve implantation + NGF) demonstrated better reinnervation in all evaluations. The study of muscle weight showed that the muscle mass was 75% of the normal soleus muscle in group 1 and was 85% of the normal side in group 2 at the end of week 12. In group 1, the twitch force was 56% of the normal soleus muscle and was 71% in group 2. Tetanic force was 53% of the normal soleus muscle in group 1 and 68% in group 2. Histological morphometric studies revealed that there was a decrease in the density of the motor end plates in group 1, but there was no statistically significant difference between the normal soleus muscles and the NGF applied to group 2. The positive effects of NGF on the neurotization of denervated muscles seen in this study suggest that it may be useful for treating some difficult reconstructions caused by denervation.
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Affiliation(s)
- Adnan Menderes
- Department of Plastic and Reconstructive Surgery, Dokuz Eylül University Faculty of Medicine, Izmir, Turkey
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Abstract
Genital defects in patients with epispadias cause functional, aesthetic, and psychological problems. Successful reconstruction of epispadias should improve the body image and enable the patient to perform sexually. Although various operative techniques have been defined for reconstruction of epispadias--predominantly using local tissue flaps--classic reconstructive methods are sometimes not sufficient in severe cases. Secondary reconstruction is inevitable after failed reconstructive attempts with classic techniques. The authors used the rectus abdominis musculocutaneous flap for severe secondary epispadias repair. The urethra, dorsal chordee, osteo-escutcheon contour defect, and the tissue defect created after dissection of the dorsal surface of the penis were reconstructed successfully using the rectus abdominis musculocutaneous flap. The neourethra was constructed using the skin island of the flap, and the muscle segment was used to reconstruct the dorsal defects. A straightened and lengthened penis and a new urethra without stricture were created during one operative procedure using this method.
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Affiliation(s)
- M Yilmaz
- Department of Plastic and Reconstructive Surgery, Dokuz Eylül University, Faculty of Medicine, Izmir, Turkey
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Yilmaz M, Vayvada H, Demirdöver C. Dermoid cyst at the suprasternal notch. Ann Plast Surg 2000; 45:343. [PMID: 10987545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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Abstract
The effects of ischemia/reperfusion (I/R) injury in flow-through venous flaps were evaluated in rabbits. The rates of flap survival and the levels of lipid peroxidation, protein oxidation, and sulfhydryl groups were compared between flow-through venous flaps, conventional flaps after an I/R period (experimental groups), and flow-through venous flaps without being subjected to I/R injury (control groups) in 20 animals. On the seventh day after the onset of reperfusion, 3 of 10 flow-through venous flaps (30%) and 6 of 10 arteriovenous flaps (60%) survived in the experimental groups. Flow-through venous flaps showed a decreased survival rate compared with control and conventional flaps (p < 0.05). Tissue lipid peroxide levels were found to be higher in venous flaps during reperfusion after secondary ischemia (p < 0.05). Tissue protein oxidation and total sulfhydryl groups levels did not show any difference among groups. This study suggests that more free radical damage occurs in flow-through venous flaps during I/R injury.
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Affiliation(s)
- A Atabey
- Department of Plastic and Reconstructive Surgery, School of Medicine, Dokuz Eylül University, Izmir, Turkey
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Abstract
Marjolin's ulcer is a term used to describe squamous cell carcinomas which develop in chronic wounds. These carcinomas may also develop at the site of long-standing irritation, such as unstable burn scars. Development times for burn scar carcinomas of more than 30 years have been noted. This evaluation describes the treatment of 10 patients with burn scar carcinomas who have been treated using wide excision and closure of the defect with skin grafts or flaps, plus regional lymph node dissection if required. Results indicate a mean carcinoma development time of 26 years. Local recurrence occurred in only one patient.
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Affiliation(s)
- M Akgüner
- Faculty of Medicine, Dokuz Eylül University, Izmir, Turkey
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38
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Abstract
Neurofibromatosis type 1 (von Recklinghausen's disease or peripheral neurofibromatosis) is of particular interest to the plastic surgeon, as it affects the skin. The majority of affected patients require operative procedures for cosmetic and functional reasons. Rarely, vascular lesions such as stenosis, rupture of an aneurysm, and fistula formation in neurofibromatosis type 1 can create some difficulties during operation without any symptoms before surgery. We report the management of a large occipitojugular fistula. This life-threatening fistula was located on the right side of the face of a 28-year-old patient who had been operated six times for the same neurofibromatous mass without any operative complications. During the operation for partial excision of the neurofibromatous mass, life-threatening, uncontrollable hemorrhage began and the operation was ended without excision. Postoperative angiography revealed an arteriovenous fistula between the occipital artery and jugular vein, and also total occlusion/agenesis in the postclinoid cisternal segment of the internal carotid artery. The fistula was obliterated with coil and histoacryl lipiodol mixture. After this procedure partial excision was performed without abnormal bleeding.
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Affiliation(s)
- M Yilmaz
- Department of Plastic and Reconstructive Surgery, Dokuz Eylül University School of Medicine, Izmir, Turkey
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Yilmaz M, Menderes A, Vayvada H, Karaca C, Barutçu A. Effects of the number of pedicles on perfusion and survival of venous flaps: an experimental study in rabbits. Ann Plast Surg 1997; 39:278-86. [PMID: 9326709 DOI: 10.1097/00000637-199709000-00010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Venous flaps are new tools for reconstructive surgery; however, the survival mechanisms of these flaps are not clearly known. This study compares the effects of the number of pedicles in venous flaps and studies the perfusion of these flaps. In the rabbit ear composite tissue venous flap model without the underlying bed and perivenous areolar tissue, three groups with a different number of pedicles were created. The groups consisted of single-pedicled, two-pedicled, and three-pedicled venous flaps. Radioactive tracer studies with technetium 99m were undertaken to assess inflow and drainage. The venous pressure in each pedicled vein and pressure gradients were also documented between the venous pedicles. All single-pedicled venous flaps became necrotic. The mean viable flap area was 40.5% for the two-pedicled venous flaps, 75.8% for the three-pedicled flaps, and 94.1% for the axial-pattern control flaps. Inflow and drainage of the radioactive substance in the three-pedicled venous flaps were better than the two-pedicled venous flaps, but the axial-pattern control flaps were superior to both. We conclude that although venous flaps are still not as reliable as conventional flaps, increasing the number of pedicles affected flap survival positively, and venous flap perfusion occurred due to pressure gradients between flap pedicles.
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Affiliation(s)
- M Yilmaz
- Department of Plastic and Reconstructive Surgery, Dokuz Eylül University, Faculty of Medicine, Izmir, Turkey
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40
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Atabey A, Vayvada H, Menderes A, Kirişoğlu U, Barutçu A. A combined reverse temporalis muscle flap and pericranial flap for reconstruction of an anterior cranial base defect: a case report. Ann Plast Surg 1997; 39:190-2. [PMID: 9262775 DOI: 10.1097/00000637-199708000-00014] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
After the excision of a recurrent squamous cell carcinoma in a 52-year-old man, a reverse temporalis muscle flap combined with a pericranial flap was used to reconstruct the anterior cranial base and the frontal defect. The combined flap is based on the superficial temporal fascia supplied by the superficial temporal vessels. We recommend the usage of the combined reverse temporalis muscle flap and the pericranial flap for reconstruction of the anterior cranial base, the frontal region, and other facial defects.
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Affiliation(s)
- A Atabey
- Dokuz Eylül University, Medical School, Department of Plastic and Reconstructive Surgery, Izmir, Turkey
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Yörükoğlu K, Karaca C, Özaksoy D, Akgüner M, Vayvada H. Mesenchymal chondrosarcoma. Eur J Plast Surg 1996. [DOI: 10.1007/bf00180330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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