Effect of Injectable Platelet-Rich Fibrin on Diced Cartilage's Viability in Rhinoplasty.

Diced cartilage is one of the most widely used camouflage technique in rhinoplasty. Its variable resorption rate creates issues in postoperative time period. Platelet-rich fibrin is an autologous concentrated blood derivative containing growth factors that accelerate tissue healing. The authors evaluate the effect of injectable platelet-rich fibrin (I-PRF) on the viability of diced cartilage, which has been used for dorsum camouflage in rhinoplasty. Forty patients were randomly divided into two groups based on dorsal camouflage grafts: diced cartilage with I-PRF (study group) and diced cartilage without I-PRF (control group). Cartilage graft thickness was measured by linear superficial tissue ultrasound at the postoperative first week and the third month in both groups. The mean cartilage graft thickness loss between the first-week and third-month ultrasound measurements was 0.58 ± 0.21 mm in the study group and 0.82 ± 0.35 mm in the control group. There was significant volume loss in the control group. I-PRF was successful in reducing the resorption rate of diced cartilage on nasal dorsum by either increasing the viability or keeping its form. Sticky cartilage is an easily applicable and reliable technique that may be used to camouflage dorsal irregularities in rhinoplasty.

The Effect of Platelet-Rich Fibrin on Nasal Skin Thickness in Rhinoplasty.

The study hypothesized the potential positive effects of platelet-rich fibrin (PRF) in postoperative rhinoplasty patients, such as better wound healing, less dead space, and less edema. The authors assessed PRF for nasal dorsum camouflage and studied its potential effects on nasal dorsal skin in rhinoplasty. Thirty-eight patients who underwent open approach primary rhinoplasty were categorized into two groups: nasal dorsal PRF group and control group. PRF membrane was used for nasal dorsum camouflage and laid over the bony dorsum and cartilage framework of the supratip area. Skin and subcutaneous soft tissue thickness were measured by linear superficial tissue ultrasound at the pre- and postoperative first week and the third month in both groups. Mean skin thickness over the supratip area was significantly higher in the control group in the first-week control. There were no significant differences in both first-week and third-month controls' nasal dorsum mean skin thickness measurements between the two groups. Regarding PRF complications, we encountered no complications in either group, including scarring, hematoma, infection, skin discoloration, and acne. The authors present the application of PRF membrane over the bony dorsum and cartilage framework of the supratip area. They observed its positive effect on postoperative edema, especially in the early postoperative period. Long-term investigations have to be performed to evaluate its potential effect on the rhinoplasty procedure. This was a level of evidence 3 study.

Robotic partial nephrectomy in a child with kidney tumor.

Robotic surgery is gaining wider utility in adults; however, few reports have addressed the applicability of robotic surgery for renal tumors in children. The aim of this report is to share our experience in an 8-year-old child with metanephric stromal tumor. To our knowledge, besides being a rare tumor, this is the youngest case reported in the literature whose kidney tumor has been successfully removed with robotic partial nephrectomy. There is a worldwide tendency to perform minimal invasive surgery for kidney tumors. In the presence of an experienced team and proper conditions, we believe that robotic partial nephrectomy will be the preferred option in future.

A novel method for comparison of tissue fibrosis after inferior turbinate surgery: ultrasound elastography.

BACKGROUND: Ultrasound (US) elastography has been widely used for thyroid, liver, and lymph nodes as a research tool in the current medical practice. It has been described in the inferior turbinates and validated as a reliable, reproducible, noninvasive, and objective method that can detect the fibrosis-related tissue strain. There is no previous study that investigated the amount of fibrosis induced by radiofrequency and bipolar electrocautery in the inferior turbinates in a noninvasive and objective manner. The aim of this study was to assess the amount of inferior turbinate soft tissue fibrosis that was induced by radiofrequency ablation (RFA) and submucosal bipolar diathermy (SBD) by US elastography. METHODS: Thirty-eight inferior turbinates of 19 patients were included. RFA was applied to 18 inferior turbinates (group 1) and SBD was applied to 20 inferior turbinates (group 2). US elastography and visual analog scale (VAS) assessments were performed on all patients preoperatively and 6 months postoperatively. RESULTS: Preoperative mean US elastography scores in groups 1 and 2 were 2.55 ± 0.78 m/s and 2.56 ± 0.49 m/s, respectively (p < 0.05). Postoperative mean US elastography scores in groups 1 and 2 were 2.91 ± 1.03 m/s and 3.41 ± 0.86 m/s, respectively (p < 0.05). Preoperative mean VAS scores in groups 1 and 2 were 2.78 ± 0.94 and 2.50 ± 1.15, respectively. Postoperative mean VAS scores in groups 1 and 2 were 6.61 ± 1.61 and 6.10 ± 1.4, respectively (p < 0.05). Correlation of US elastography and VAS scores was insignificant (p > 0.05). CONCLUSION: Both RFA and SBD of the inferior turbinates were effective in inducing scar tissue and, eventually, fibrosis in the soft tissue of inferior turbinates. Cauterization has been found to cause significantly higher amounts of fibrosis than radiofrequency; however, it did not reflect the comparable clinical outcome. This is the first study that objectively and noninvasively evaluates the targeted tissue fibrosis of the inferior turbinate surgeries by the novel inferior turbinate US elastography.

Should subtotal thyroidectomy be abandoned in multinodular goiter patients from endemic regions requiring surgery?

The most convenient surgical procedure for benign thyroid diseases is still controversial. The aim of this study is to determine the recurrence rate and risk factors for recurrence after different thyroidectomy procedures in multinodular goiter patients. Patients were separated into two groups according to the detection of a recurrent nodule or not after thyroidectomy. Of the 748 patients, 216 (29%) had recurrence, while 532 had no recurrent nodule. The difference between surgical procedures described as subtotal (ST), near total (NT) and total thyroidectomy (TT) was statistically significant. Transient hypoparathyroidism was significantly higher in NT and TT, when compared to ST patients (P < 0.05). Young age, bilateral multinodular goiter and insufficient surgery are risk factors affecting recurrence for benign nodular thyroid disease. Currently, subtotal procedures should be discontinued and total or near total procedures should be preferred. Meanwhile, the probability of a higher risk of hypoparathyroidism should be kept in mind.

Evaluation of the Effects of Bile on the Arterial Tonus in a Rabbit Model.

BACKGROUND: Hepatic artery anastomosis is an essential part of live-donor liver transplantation, and during this anastomosis, an unusual contact between bile and vessel ends is observed. In this study, the effects of this nonphysiological contact in a rabbit model were evaluated. METHODS: The study was designed in 2 steps-in vitro and in vivo. Three groups were established for the in vitro study. In the first group, vessels were incubated in Krebs solution with 5% bile for 1 minute. In the second group, vessels were kept in Krebs solution with 5% bile for 5 minutes. Vessels in the control group were kept in Krebs solution without bile. All groups were examined for responses to vasodilator and vasoconstrictor agents in organ bath system. The specimens were evaluated immunohistochemically and histopathologically. In the in vivo step, microvascular anastomosis was performed bilaterally. Right carotid artery was anastomosed during bile contamination as study group, and left carotid artery was anastomosed without bile contamination as control group. Blood flow indexes were measured. RESULTS: The results of the in vitro study revealed decreased responses to contractile and relaxing agents in the first study group compared with that of the control group (P < 0.0001). There was no response obtained in the second study group. The Doppler ultrasound results revealed no difference between preoperative and postoperative flow indexes (P > 0.05). There was no postoperative spasm in the study group. However, there was significant vasospasm in the control group (P < 0.05). CONCLUSIONS: Vessels exposed to bile have decreased contractile and relaxing responses, and this effect increases with exposure duration.

[Long-term follow-up in patients with homozygous familial hypercholesterolemia; 13-year experience of a university hospital lipid clinic]. / Homozigot ailevi hiperkolesterolemili hastalarin uzun dönem izlemi:Bir u¨niversite hastanesi lipit polikliniginin 13 yillik deneyimi.

OBJECTIVES: Familiar hypercholesterolemia (FH) is a genetic disease characterized with extremely high levels of cholesterol leading to premature atherosclerosis. In homozygous individuals (HoFH) cardiovascular events could develop in childhood. In this article, long-term clinical experience with adult HoFH patients who are followed in Department of Cardiology, Ege University Faculty of Medicine is presented. STUDY DESIGN: Seventeen HoFH patients (11 females, 6 males) who are being followed between the years 2000-2013 were included. All data including clinical characteristics, family history, lipid levels, treatment, lipid-apheresis, cardiovascular events, complications were obtained retrospectively from patient chart records. RESULTS: Mean age was 31 ± 10 years at admission to our clinic. First diagnosis age was 25 ± 14. At diagnosis, mean cholesterol level was 625 ± 136 mg/dl. Admission complaints were dermatologic (41%) and ischemic symptoms (41%). A total of 3 patients (18%) were diagnosed during family screening. 65% of the patients' parents had consanguineous marriage. Xantomas was present in 59%, aortic valve pathology in 59%, and carotid artery plaques in 47%. Coronary artery disease was documented in 59%. Though all patients had indication for apheresis, 10 patients received apheresis due to high refusal rate. Age at the first apheresis was 27 ± 12 (minimum 10-maximum 42) and adherence to apheresis was 60%. With 2 years regular apheresis skin depositions were vanished, however carotid atherosclerosis and aortic pathology progressed. During the 43 ± 42 months follow-up, 4 patients died (mean age: 25 ± 5). CONCLUSION: Diagnosis is late in HoAH. Due to the delayed treatment of lipid apheresis, atherosclerosis and aortic stenosis progress in these patients. The awareness of the physicians and knowledge of the public is warranted.

The relationships between serum sTWEAK, FGF-23 levels, and carotid atherosclerosis in renal transplant patients.

BACKGROUND: Cardiovascular disease is the main cause of mortality after renal transplantation. Soluble tumor necrosis factor-like weak inducer of apoptosis (sTWEAK) and fibroblast growth factor-23 (FGF-23) are two novel molecules that have been associated with atherosclerosis in different populations. In this cross-sectional study, we investigated the associations between sTWEAK, FGF-23, and carotid artery intima-media thickness (CA-IMT) in renal transplant patients. METHODS: A total of 117 renal transplant patients were studied. CA-IMT was determined by B-mode Doppler ultrasonography. Serum sTWEAK and FGF-23 were measured by a commercially available enzyme-linked immunosorbent assay (ELISA). RESULTS: Mean age was 39.6 ± 9.6 years and 51% of the patients were male. Mean sTWEAK level was 595 ± 225 pg/mL (158-1140), FGF-23 level was 92 ± 123 RU/mL (9.6-1006), and CA-IMT level was 0.62 ± 0.11 mm (0.40-0.98). sTWEAK level was positively correlated with CA-IMT. There was no association between sTWEAK and FGF-23 levels. FGF-23 was also associated with CA-IMT. In adjusted models using linear regression analysis, only age and serum TWEAK levels were predictors for CA-IMT. CONCLUSION: There is a positive correlation between CA-IMT and sTWEAK, but not with FGF-23 levels in renal transplant patients.

Propranolol as the first-line therapy for infantile hemangiomas: preliminary results of two centers.

AIM: Despite a mostly self-limiting course, infantile hemangiomas can cause severe functional and/or cosmetic problems. The aim of this study was to determine the efficiency of propranolol treatment on infantile hemangiomas. METHODS: Sixty-seven infantile hemangioma patients were included in propranolol protocol in two institutions from 2009 to 2011. Participants included 36 boys and 31 girls. An associate protocol with radiology and pediatric cardiology was constructed for appropriate patient selection. Patients received a dose of 2 mg/kg/day, and all were admitted for the first 24 hours of therapy. RESULTS: Sixty-seven patients were included in the study. Mean age at the initiation of therapy was 7 months (1 to 24 months), and eleven patients were older than 12 months of age when propranolol was started. All patients showed improvement with varying responses. No side effects were detected during the treatment. CONCLUSION: Previously defined treatments for hemangiomas were efficient, yet had a limited usage because of side effects. Propranolol, with a high efficacy (not as total involution but stabilization and regression) and feasibility deserves to be the first line therapy for infantile hemangiomas even after the proliferation phase.

Should complete and incomplete spinal cord injury patients receive the same attention in urodynamic evaluations and ultrasonography examinations of the upper urinary tract?

The aim of the study was to compare urodynamic findings and upper urinary tract (UUT) abnormalities detected by ultrasonography in complete and incomplete suprasacral spinal cord injury (SCI) patients with neurogenic detrusor overactivity. Thirty-eight suprasacral SCI patients who underwent ultrasonography evaluation of the UUT and urodynamic investigation were evaluated retrospectively. The mean maximum detrusor pressure was 51.08+28.71 cmH2O for the American Spinal Injury Association (ASIA)-A group and 61.42+30.93 cmH2O for the ASIA-B-E group (P>0.05). The mean cystometric capacity was 269.38+139.98 for the ASIA-A group and 223.36+135.59 ml for the ASIA-B-E group (P>0.05). Abnormalities in the UUT were found in 15.4% of the complete SCI patients and 16% of the incomplete SCI patients (P>0.05). No differences were found in urodynamic parameters and UUT abnormalities between the complete and the incomplete suprasacral SCI patients. Therefore, incomplete SCI patients should be observed with the same caution as complete SCI patients.

Is it possible to predict sepsis, the most serious complication in prostate biopsy?

OBJECTIVE: Prostate biopsy for the diagnosis of prostate cancer by transrectal ultrasonography (TRUS) is a common procedure used in daily urology practice with a low complication rate and easy applicability. In this study, the precipitating factors and prophylaxis for sepsis, the worst complication of the procedure, were assessed. PATIENTS AND METHODS: 2,023 Patients with suspected prostate cancer who underwent biopsy by TRUS in one center were assessed retrospectively. The relationship between sepsis and age, serum total prostate-specific antigen (PSA) level, PSA density, prostate volume, number of biopsies, number of repeated biopsies, accompanying diagnosis of prostatitis, presence of urethral catheter, and presence of diabetes mellitus was assessed. Data were analyzed using the t test and logistic regression analysis. RESULTS: Of the 2,023 patients, 62 (3.06%) developed sepsis within 5 days after biopsy. There was no significant relationship between the biopsy and the above parameters using the logistic regression analysis. Using the t test, it was found that the number of biopsy cores (p < 0.001), presence of urethral catheter (p < 0.0001), and presence of diabetes mellitus (p < 0.0001) were predictive factors for sepsis. CONCLUSION: Sepsis is a rare but life-threatening complication after prostate biopsy by TRUS. Although preoperative prophylactic oral antibiotics and enema before biopsy have proven to be effective in decreasing urinary tract infection rates, patients with urethral catheter, diabetes mellitus or those to undergo biopsy from more sites than ten cores should be closely monitored after biopsy.