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Duek OS, Ben Naftali Y, Pikkel YY, Ouzlaner A, Berns M, Ramon Y, Ullmann Y. Coffee break - Epidemiologic analysis, traditions & holidays that increase burn risk of pediatric patients. Burns 2020; 47:1424-1428. [PMID: 33422357 DOI: 10.1016/j.burns.2020.12.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 12/06/2020] [Accepted: 12/14/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND Burns are estimated to cause up to 1% of admissions to emergency department in low- and middle-income countries, and up to 220 admissions per 100 K people in high income countries. Knowing the special features in every population could help formulate prevention strategies tailored for the specific group targeted and thus help decrease the incidence of burns in the general population. PATIENTS AND METHODS We examined all patients files admitted to the Rappaport hospital within Rambam Medical Center between the years 2012-2016. RESULTS Male admissions accounted for 57% (18.1 per 100 K life years) of all admissions. Scald was the most prominent cause of burn in all the cohort subgroups, with 65% of all burns. The specific cause of scald varied in the subgroups. Burns usually happened during weekend (p < 0.001). Transition seasons, i.e. autumn and spring, were the most dangerous for our cohort (p < 0.001). CONCLUSIONS Pediatric burn patterns were found correlate to population, timing, and customs. Mapping the hazardous rituals that may cause burns in different populations, is the first step towards prevention.
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Fodor L, Ciuce C, Fodor M, Shrank C, Lapid O, Kon M, Ramon Y, Ullmann Y. Different models of training and certification in plastic surgery. Chirurgia (Bucur) 2009; 104:519-524. [PMID: 19943549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
A varying period of training followed by examinations is the usual way to become a specialist in one of the many fields of Medicine. Plastic Surgery is one of the surgical fields that require good technical and cognitive skills. The best way to train and evaluate a candidate is hard to judge. The model of training and board examination varies, every country having its own method. This is a descriptive report presenting the ways of training residents in Plastic Surgery and then examining them in Romania, Israel, U.S.A., Germany and the Netherlands. Specific points regarding the structure and the format are addressed for all models and also for factors that might influence the objectivity of the examination. The authors bring their thoughts on these issues.
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Rissin Y, Fodor L, Ishach H, Oded R, Ramon Y, Ullmann Y. Patient satisfaction after removal of skin lesions. J Eur Acad Dermatol Venereol 2007; 21:951-5. [PMID: 17659005 DOI: 10.1111/j.1468-3083.2007.02146.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Removal of skin lesions is one of the most common surgical procedures, with the number increasing progressively since the 1980s. OBJECTIVE We tried to evaluate the satisfaction level of patients after removal of skin lesions and to identify the factors influencing it. STUDY DESIGN The study group consisted of 138 patients who had skin lesions removed by shaving or primary excision and closure. They were evaluated 1 year after the procedure. Two questionnaires were completed independently by the patient and the surgeon. RESULTS The main indication for the procedure was suspicion of malignancy, functional disturbance, or aesthetic reason. The satisfaction level (general and specific areas) for patients who had a malignant tumour removed was similar to those who had a benign tumour removed. Females were less satisfied than males (P = 0.05). Younger people were less satisfied with the aesthetic results (P = 0.007). Patients who had at least one significant side-effect were less satisfied than those who did not mention any side-effects (P = 0.038). The higher the level of patient satisfaction, the higher the level of surgeon satisfaction (P = 0.012). CONCLUSION Skin lesion removal, although considered to be a minor procedure, leaves scars that sometimes disturb the patient. According to our study, the most prevalent population for dissatisfaction is females and young males.
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Reis ND, Schwartz O, Militianu D, Ramon Y, Levin D, Norman D, Melamed Y, Shupak A, Goldsher D, Zinman C. Hyperbaric oxygen therapy as a treatment for stage-I avascular necrosis of the femoral head. THE JOURNAL OF BONE AND JOINT SURGERY. BRITISH VOLUME 2003; 85:371-5. [PMID: 12729112 DOI: 10.1302/0301-620x.85b3.13237] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Avascular necrosis (AVN) of the head of the femur is a potentially crippling disease which mainly affects young adults. Although treatment by exposure to hyperbaric oxygen (HBO) is reported as being beneficial, there has been no study of its use in treated compared with untreated patients. We selected 12 patients who suffered from Steinberg stage-I AVN of the head of the femur (four bilateral) whose lesions were 4 mm or more thick and/or 12.5 mm or more long on MRI. Daily HBO therapy was given for 100 days to each patient. All smaller stage-I lesions and more advanced stages of AVN were excluded. These size criteria were chosen in order to compare outcomes with an identical size of lesion in an untreated group described earlier. Overall, 81% of patients who received HBO therapy showed a return to normal on MRI as compared with 17% in the untreated group. We therefore conclude that hyperbaric oxygen is effective in the treatment of stage-I AVN of the head of the femur.
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Shoshani O, Ullmann Y, Shupak A, Ramon Y, Gilhar A, Kehat I, Peled IJ. The role of frozen storage in preserving adipose tissue obtained by suction-assisted lipectomy for repeated fat injection procedures. Dermatol Surg 2001; 27:645-7. [PMID: 11442616 DOI: 10.1046/j.1524-4725.2001.00146.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND The injection of autologous free fat obtained by suction-assisted lipectomy for the correction of soft tissue defects is a common procedure in plastic surgery. However, unpredictable partial absorption of the injected fat often necessitates repeated procedures. OBJECTIVE To examine the role of frozen storage as a means of preserving the fat obtained by suction-assisted lipectomy for repeated procedures. METHODS Human adipose tissue obtained by suction-assisted lipectomy was stored in a domestic refrigerator at -18 degrees C for 2 weeks. After thawing, the fat was injected into nude mice. In the control group, the fat was injected immediately after the harvesting procedure. Grafts were dissected out and compared 15 weeks postinjection. RESULTS Injected fat survived in both study and control groups. No significant differences were found between fat graft weight and volume, or in any of the histologic parameters examined. CONCLUSION Fat obtained by suction-assisted lipectomy may be preserved for future use by freezing.
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Shoshani O, Shupak A, Ullmann Y, Ramon Y, Gilhar A, Kehat I, Peled IJ. The effect of hyperbaric oxygenation on the viability of human fat injected into nude mice. Plast Reconstr Surg 2000; 106:1390-6; discussion 1397-8. [PMID: 11083573 DOI: 10.1097/00006534-200011000-00028] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Autologous free-fat injection for the correction of soft-tissue defects has become a common procedure in plastic surgery. The main shortcoming of this method for achieving permanent soft-tissue augmentation is the partial absorption of the injected fat, an occurrence that leads to the need for both overcorrection and repeated fat reinjection. Improving the oxygenation of the injected fat has been suggested as a means of helping to overcome the initial critical phase that occurs postinjection (when the fat cells are nourished by osmosis), increasing phagocyte activity, accelerating fibroblast activity and collagen formation, and enhancing angiogenesis. In addition, the hyperbaric oxygen-mediated decrement in endothelial leukocyte adhesion will decrease cytokine release, thereby reducing edema and inflammatory responses. The purpose of the present study was to examine the effect of hyperbaric oxygenation on improving the viability of injected fat. Adipose tissue obtained from human breasts by suction-assisted lipectomy was injected into the subcuticular nuchal region in nude mice. The mice were then exposed to daily hyperbaric oxygen treatments, breathing 100% oxygen at 2 atmospheres absolute (ATA) for 90 minutes. The duration of the administered hyperbaric oxygen therapy was 5, 10, or 15 days, according to the study group. Mice exposed to normobaric air alone served as the control group, and each group included 10 animals. The rats were killed 15 weeks after fat injection. The grafts were dissected out, weight and volume were measured, and histologic evaluation was performed. In all of the study groups, at least part of the injected fat survived, giving the desired clinical outcome. No significant differences could be found between the groups regarding fat weight and volume. Histopathologic examination of the dissected grafts demonstrated a significantly better integrity of the fat tissue in the group that received hyperbaric oxygen for 5 days (p = 0.047). This finding was manifested by the presence of well-organized, intact fat cells, along with a normal appearance of the fibrous septa and blood vessels. The worst results were found in animals treated by hyperbaric oxygenation for 15 consecutive days. An inverse correlation was found between an increased dose of the high-pressure oxygen and fat tissue integrity (r = -0.87, p = 0.076). The toxic effects of highly reactive oxygen species on fat cells might explain the failure of an excessively high dose of hyperbaric oxygen to provide any beneficial outcome. The clinical relevance of these results should be further investigated.
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Ramon Y, Sharony Z, Moscona RA, Ullmann Y, Peled IJ. Evaluation and comparison of aesthetic results and patient satisfaction with bilateral breast reduction using the inferior pedicle and McKissock's vertical bipedicle dermal flap techniques. Plast Reconstr Surg 2000; 106:289-95; discussion 295-7. [PMID: 10946926 DOI: 10.1097/00006534-200008000-00006] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
In the last two decades, McKissock's technique for reduction mammaplasty was largely replaced by Robbins's inferior pedicle technique. However, a substantial number of plastic surgeons still perform McKissock's technique in the belief that it is superior to the inferior pedicle technique in terms of aesthetic results and complication rate. In this study, the authors compared the aesthetic results, complication rates, and patient satisfaction with the two techniques. Numerous studies in the past few years have shown an improvement in physical symptoms in addition to excellent patient satisfaction after breast reduction. However, almost all of these studies have used questionnaires that were mailed to the patients for evaluation. In the present study, aesthetic evaluations by the surgeon and an objective observer were performed in addition to evaluations by the patients themselves, thereby increasing the objectivity and the significance of the patients' evaluations. Two groups of 24 and 27 patients were compared. The groups were almost identical in terms of demographic data and the amount of breast tissue removed. The aesthetic results were good to excellent in both groups, and the groups had similar complication rates. When the patients' evaluations were compared with those of the surgeon and the objective observer, no significant difference was found between the observer and the patients. In one of the groups, the surgeon's evaluations were significantly higher than those of the patients, although they were not significantly higher than the observer's. In terms of aesthetic results, complication rates, and patient satisfaction, no differences existed between the groups. In addition, the patients' evaluations were determined to be a reliable index of aesthetic results and, in these cases, they were often identical to objective evaluations.
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Vazina A, Baniel J, Yaacobi Y, Shtriker A, Engelstein D, Leibovitz I, Zehavi M, Sidi AA, Ramon Y, Tischler T, Livne PM, Friedman E. The rate of the founder Jewish mutations in BRCA1 and BRCA2 in prostate cancer patients in Israel. Br J Cancer 2000; 83:463-6. [PMID: 10945492 PMCID: PMC2374645 DOI: 10.1054/bjoc.2000.1249] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Inherited predisposition occurs in 5-10% of all prostate cancer (CaP) patients, but the genes involved in conferring genetic susceptibility remain largely unknown. Several lines of evidence indicate that germline mutations in BRCA1 and BRCA2 might be associated with an increased risk for CaP. Three mutations in these two genes (185delAG and 5382InsC (BRCA1) and 6174delT (BRCA2) occur in about 2.5% of the general Ashkenazi population, and the 185delAG BRCA1 mutation, in up to 1% of non-Ashkenazi Jews. In order to assess the contribution of these germline mutations to prostate cancer in Jewish Israeli patients, we tested 174 unselected prostate cancer patients (95 of Ashkenazi origin) for these mutations by PCR amplification and modified restriction enzyme digests. Patient's age range was 45-81 years (median 66), and in 24 (14.4%) the disease was diagnosed prior to 55 years of age. Nineteen (11%) and 12 (6.9%) patients had a first or second degree relative with CaP or breast cancer, respectively. Overall, five mutation carriers were detected: 2/152 (1.3%) 185delAG, 2/104 (2%) 5382InsC, and 1/158 (0.6%) 6174delT. In all carriers, the disease was diagnosed after the age of 55, and only one of them had a family history of breast and CaP. In addition, no allelic losses at the BRCA1 locus were demonstrated in 17 patients with a family history of CaP, using seven microsatellite markers. We conclude that the rate of the predominant Jewish BRCA1 and BRCA2 mutations in CaP patients does not significantly differ from that of the general population, and that mutational inactivation of the BRCA1 is rare in familial CaP. Thus, germline BRCA1 and BRCA2 mutations probably contribute little to CaP occurrence, to inherited predisposition, and to early onset disease in Jewish individuals.
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Shupak A, Weiler-Ravell D, Adir Y, Daskalovic YI, Ramon Y, Kerem D. Pulmonary oedema induced by strenuous swimming: a field study. RESPIRATION PHYSIOLOGY 2000; 121:25-31. [PMID: 10854620 DOI: 10.1016/s0034-5687(00)00109-2] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The purpose of the study was to document the incidence and recurrence rate of pulmonary oedema induced by strenuous swimming (SIPO), and to study the changes in relevant physiological parameters. Thirty-five young men were repeatedly examined over a 2-month period after a swimming time trial in the open sea. A tentative diagnosis of SIPO was made when the swimmer reported shortness of breath accompanied by cough. Twenty-nine events of SIPO were diagnosed in 21 individuals (60% incidence). Oxygen saturation was significantly reduced in SIPO. Mean forced vital capacity (FVC) and FEV(1) were significantly lower in the severe SIPO group. Also, mean FVC and mid-expiratory flows (FEF(25-75%)) obtained 12 months earlier during screening for the programme were lower in individuals who later had SIPO. The ratios of post-swim FVC and FEV(1) values to the corresponding selection examination values were lower in the severe SIPO group. Thus volumes decreased in the SIPO group, besides being lower at the start. Shortness of breath and coughing following strenuous swimming were related to hypoxaemia and reduction in lung volumes, suggesting pulmonary oedema. SIPO was a common and often recurrent phenomenon. Lower initial lung volumes and flows might predict future susceptibility to SIPO.
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Nachum Z, Shupak A, Spitzer O, Sharoni Z, Ramon Y, Abramovich A, Shahal B. Inner ear decompression sickness following altitude chamber operation. AVIATION, SPACE, AND ENVIRONMENTAL MEDICINE 1999; 70:1106-9. [PMID: 10608608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
Decompression sickness (DCS) is a known hazard of altitude chamber operation. The musculoskeletal, dermal, neurological and pulmonary manifestations of DCS are well recognized, but inner ear injury has not been reported. We present the unusual case of a medical corpsman suffering from vestibular DCS after an altitude chamber exposure to 25,000 ft. The patient had a good clinical response to hyperbaric treatment, but there was laboratory evidence of mild residual vestibular damage with full compensation. This case suggests that aviation medical personnel should be more aware of the possible occurrence of inner ear DCS among subjects exposed to altitude.
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Bentur Y, Shoshani O, Tabak A, Bin-Nun A, Ramon Y, Ulman Y, Berger Y, Nachlieli T, Peled YJ. Prolonged elimination half-life of phenol after dermal exposure. JOURNAL OF TOXICOLOGY. CLINICAL TOXICOLOGY 1998; 36:707-11. [PMID: 9865239 DOI: 10.3109/15563659809162619] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Phenol is a general protoplastic poison which has been in use in medicine and industry for decades. It is readily absorbed through the skin causing both local and systemic toxicity. CASE REPORT A 47-year-old male had 90% phenol spilled over his left foot and shoe (3% of body surface area). After a 4 1/2-hour exposure, manifestations included confusion, vertigo, faintness, hypotension, ventricular premature beats, atrial fibrillation, dark-green urine, and tense swelling, blue-black discoloration, hypalgesia, and hypoesthesia of the affected area. Treatment consisted of irrigation with copious amounts of water, incisions, and supportive measures. RESULTS Peak serum phenol was 21.6 micrograms/mL, considered in the fatal range. Peak urine phenol plus urine-conjugated phenol was 13,416 mg/g creatinine, indicating a major absorption. Elimination half-life was 13.86 hours, considerably longer than previously reported. CONCLUSIONS Prolonged skin contact with concentrated phenol in an occlusive environment may result in a major absorption and a long elimination half-life even if the area involved is small. Prolonged elimination may be explained by extensive tissue distribution or by "slow-release reservoir" properties of the skin. Such exposure may be associated with severe systemic and local toxicities. Immediate removal from exposure and aggressive decontamination of the skin are essential to reduce these risks.
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Bentur Y, Shupak A, Ramon Y, Abramovich A, Wolfin G, Stein H, Krivoi N. Hyperbaric oxygen therapy for cutaneous/soft-tissue zygomycosis complicating diabetes mellitus. Plast Reconstr Surg 1998; 102:822-4. [PMID: 9727450 DOI: 10.1097/00006534-199809030-00030] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
A 24-year-old female diabetic patient was hospitalized because of ketoacidosis and a necrotic wound on the hand. Debridement and antibiotic therapy failed to halt the process. After demonstration of Mucor in cultures from the wound, the patient underwent extensive surgery and amphotericin B was administered. When the necrotic process continued despite these measures, adjunctive hyperbaric oxygen (100% O2 at 2.5 ATA for 90 minutes) was administered daily for a total of 21 treatment sessions. She gradually improved, and at 2 months follow-up most of the wound had healed. Although the mortality rate of cutaneous/soft-tissue zygomycosis is markedly lower than that of the rhinocerebral form, morbidity is still considerably high. Successful use of hyperbaric oxygen has been reported in rhinocerebral zygomycosis, and it may have been of benefit in this high-risk patient by preventing local and systemic spreading of the fungus. This report is the first case of the use of hyperbaric oxygen for cutaneous/soft-tissue zygomycosis. It is suggested that hyperbaric oxygen be considered for this indication in diabetic patients as an adjunct to surgery and amphotericin B.
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Ramon Y, Abramovich A, Shupak A, Ullmann Y, Moscona RA, Shoshani O, Peled IJ. Effect of hyperbaric oxygen on a rat transverse rectus abdominis myocutaneous flap model. Plast Reconstr Surg 1998; 102:416-22. [PMID: 9703078 DOI: 10.1097/00006534-199808000-00019] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The single-pedicle transverse rectus abdominis myocutaneous (TRAM) flap is frequently associated with partial flap necrosis. Hyperbaric oxygen has previously been shown to increase the survival of skin flaps, although there has been no investigation of possible beneficial effects of hyperbaric oxygen on survival of the TRAM flap. The present study compares the effectiveness of hyperbaric oxygen therapy, normobaric 100% oxygen, a hyperbaric air-equivalent mixture, and no treatment at all (control group), in the prevention of TRAM flap necrosis in a rat model. Forty-eight animals were randomly assigned to one of the four above-mentioned groups. The surviving area of the flap was evaluated 7 days after surgery. The hyperbaric oxygen treatment protocol consisted of five 9-minute sessions breathing 100% oxygen at a pressure of 2.5 atmospheres absolute during the first 48 hours, starting within 1 hour of surgery. The areas of surviving skin paddles ranged from 38.5 percent in the control group to 52.5 percent in the group treated with hyperbaric oxygen. One-way analysis of variance indicated that flap area survival was significantly greater in the hyperbaric oxygen group (F = 2.69, p = 0.05). Tukey's pairwise comparison and the two-sample t test indicated that the group treated with hyperbaric oxygen differed significantly from the control group (Tukey's critical value = 3.8, rejection level = 0.05, t test p = 0.01). Our results suggest that the hyperbaric oxygen treatment protocol used improves survival in the rat TRAM flap. However, the optimal treatment protocol to achieve this objective even in the rat seems to be variable, and further studies are required before extrapolating these data to human applications.
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Ullmann Y, Hyams M, Ramon Y, Beach D, Peled IJ, Lindenbaum ES. Enhancing the survival of aspirated human fat injected into nude mice. Plast Reconstr Surg 1998; 101:1940-4. [PMID: 9623841 DOI: 10.1097/00006534-199806000-00026] [Citation(s) in RCA: 96] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Injection of aspirated fat is now the most commonly used technique for the filling of depressed areas. Partial absorption of the injected fat is the main limitation of this procedure. Cariel T.M. is an enriched serum-free cell culture medium, its ability to enhance the survival of human aspirated fat grafts was investigated in the nude mouse model. A volume of 0.75-cc Cariel preprocessed fat was injected under the scalp skin of 16 nude mice in the experimental group, and the same volume of saline preprocessed fat was injected to 15 control group of mice. Significant maintenance of the weight, 46 percent in the experimental group compared with 29 percent in the control group (p < 0.008), and the volume, 44 percent in the experimental group compared with 31 percent in the control group (p < 0.026), was observed, after 15 weeks, in this newly used model. It seems that addition of the nutrients enriched with anabolic hormones enabled the survival and take of more adipose cells in the graft.
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Moscona RA, Ramon Y, Toledano H, Barzilay G. Use of synthetic mesh for the entire abdominal wall after TRAM flap transfer. Plast Reconstr Surg 1998; 101:706-10; discussion 711-2. [PMID: 9500387 DOI: 10.1097/00006534-199803000-00018] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Abdominal wall competence is a major concern of all plastic surgeons using the TRAM flap for breast reconstruction. Low hernia rates and adequate abdominal stability are standard expectations in abdominal wall closure. Described here is this institution's experience with the use of a large piece of synthetic mesh as a supplementary reinforcement for the entire abdominal wall in an attempt to stabilize it and achieve a superior abdominal aesthetic result. Twenty-five consecutive patients had routine reinforcement with the extended mesh technique. Mean patient follow-up was 24 months with a minimum of 1 year. No hernia or mesh-related infection were encountered and only one patient had a lower abdominal bulge. We recommend the use of a large synthetic mesh for improved strength and aesthetic quality of the abdominal wall after TRAM flap breast reconstruction.
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Ramon Y, Ullmann Y, Peled IJ. Extended preauricular skin flap for closure of centrally located auricular defect. Plast Reconstr Surg 1998; 101:538-9. [PMID: 9462794 DOI: 10.1097/00006534-199802000-00050] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Shoshani O, Shupak A, Barak A, Ullman Y, Ramon Y, Lindenbaum E, Peled Y. Hyperbaric oxygen therapy for deep second degree burns: an experimental study in the guinea pig. BRITISH JOURNAL OF PLASTIC SURGERY 1998; 51:67-73. [PMID: 9577322 DOI: 10.1054/bjps.1997.0060] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Most previous animal studies reporting improved epithelialisation and healing of burn wounds under hyperbaric oxygen (HBO) did not include the conventional treatment with topical antibiotics as part of the protocol, and did not compare the effectiveness of HBO therapy with that of normobaric 100% oxygen (NO). The purpose of our study was to compare the results of combined treatment with HBO + silver sulfadiazine (SS) and those of treatment with NO + SS or SS alone. Deep second degree burns were produced on the depilated backs of 54 guinea pigs using a validated burn protocol. The animals were assigned to three treatment groups: HBO + SS, NO + SS, and SS. Dressings were changed daily. HBO was administered at 2 atmospheres absolute (ATA) for 90 min BID, and NO for 90 min BID. The parameters compared among the groups were laser Doppler flowmetry, and burn wound contracture and re-epithelialisation data derived from computerised planimetry of photographs of the wound. No differences in laser Doppler flowmetry results or the magnitude of contracture were found between the groups. Significantly increased re-epithelialisation was observed under NO + SS starting 10 days after the burn (P = 0.02, ANOVA). This significance stems from the difference between the HBO + SS and NO + SS groups (Tukey test). These data indicate that excessively high levels of tissue PO2 might compromise burn healing, and explain our results. A further study comparing combined treatment using a milder HBO protocol + SS and NO + SS is indicated in the search for the optimal HBO regimen.
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Bergman R, David R, Ramon Y, Ramon M, Kerner H, Kilim S, Peled I, Friedman-Birnbaum R. Delayed postburn blisters: an immunohistochemical and ultrastructural study. J Cutan Pathol 1997; 24:429-33. [PMID: 9274961 DOI: 10.1111/j.1600-0560.1997.tb00818.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
This study was performed in an attempt to further elucidate the pathogenesis of delayed postburn blistering. Two cases were studied ultrastructurally and immunohistochemically, 1 with blisters on the recipient site of autologous split-thickness skin grafts and the other on the donor site. Ultrastructurally, the basement membrane was on the roof of the blisters in both cases, except for a single small blister in the first case where it was on the dermal floor. In the blister roofs, the basement membrane showed small or marked segments of discontinuity. In the adjacent non-blistered healed skin, the basement membrane was usually continuous, and anchoring fibrils were present. Immunoperoxidase staining on frozen sections, using antibodies to laminin, laminin 5, collagen IV, and collagen VII, showed a mostly continuous linear pattern in the adjacent non-blistered skin, which often became discontinuous near the blisters and markedly discontinuous in the blister roofs. In the blister floors, weakly stained linear or granular deposits of some of these components were sometimes also present. The results of this study support discontinuity of the basement membrane as the main anomaly in delayed postburn blistering. Disturbance in the reassembly or local breakdown of the basement membrane components might be the underlying defect.
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Shupak A, Abramovich A, Adir Y, Goldenberg I, Ramon Y, Halpern P, Ariel A. Effects on pulmonary function of daily exposure to dry or humidified hyperbaric oxygen. RESPIRATION PHYSIOLOGY 1997; 108:241-6. [PMID: 9241693 DOI: 10.1016/s0034-5687(97)00022-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The purpose of this study was to examine the effects of breathing dry or humidified hyperbaric oxygen on pulmonary function. Pulmonary function tests were performed before and after each of 10 hyperbaric oxygen exposures at 2.5 atmospheres absolute (ATA) for 95 min in a group of 13 patients treated daily by hyperbaric oxygen for problem wounds. Patients breathed dry oxygen during five successive sessions and humidified oxygen during the remaining five. No differences were found between forced vital capacities (FVC) and maximal expiratory flows before and after hyperbaric oxygen exposure while breathing dry or humidified oxygen. Significant differences were found for the changes in the percentage of FVC expired in 1 s (FEV1%) and mean forced mid-expiratory flow rate during the middle half of the FVC (FEF25-75%) on day 1 alone: decrements of 1.42 and 2.96%, respectively, under dry oxygen, vs. increments of 3.93 and 34.4%, respectively, for humidified oxygen. Day-to-day decrements in the percent changes in FEV1% and FEF25-75% were observed while breathing humidified hyperbaric oxygen. These results demonstrate that repeated daily exposure to humidified hyperbaric oxygen abolishes the initial beneficial effect of humidification on peripheral airways flow characteristics.
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Peled IJ, Ramon Y, Ullmann Y. Wrap-around cartilage flap for correction of unilateral cleft lip nose deformity. Plast Reconstr Surg 1997; 99:2085-8. [PMID: 9180738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A turnover contralateral cephalic alar cartilage flap is suggested for the correction of cleft nose alar deformity. The cartilage flap from the normal side wraps around the deficient medial crus and acting as a pulley reposition and augments the affected alar cartilage. The satisfactory and long-lasting results obtained in our small series seem to justify this approach for improving cleft nasal deformities, and we think it should be available in our surgical armamentarium.
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Shupak A, Melamed Y, Ramon Y, Bentur Y, Abramovich A, Kol S. Helium and oxygen treatment of severe air-diving-induced neurologic decompression sickness. ARCHIVES OF NEUROLOGY 1997; 54:305-11. [PMID: 9074400 DOI: 10.1001/archneur.1997.00550150061017] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND The use of helium and oxygen recompression treatment of neurologic decompression sickness (DCS) has several theoretical advantages over the traditionally used air and oxygen recompression tables that have been confirmed by findings from recent animal experiments. OBJECTIVES To evaluate the outcome of patients with neurologic DCS who had been treated with a helium-oxygen protocol and to compare it with that of a retrospective control group that was treated with air-oxygen tables. DESIGN The study and control groups included 16 and 17 diving casualties, respectively. The severity of neurologic DCS was estimated according to a 9-point scale weighting motor, sensory, and sphincter control functions. The study group was treated with a helium-oxygen decompression protocol, and the control group was treated with the US Navy air-oxygen Table 6 or 6A. Persistent residual dysfunction was treated in both groups with daily hyperbaric oxygen sessions, at 2.5 absolute atmospheres for 90 minutes, until no further clinical improvement was noted. SETTING The Israel Naval Medical Institute (Israel's national hyperbaric referral center), Haifa. RESULTS Significant clinical score increments were found for both the helium-oxygen- and air-oxygen-treated groups: 2.8 +/- 2.4 (mean +/- SD) and 7.4 +/- 1.1 at presentation vs 7.6 +/- 2.1 and 8.1 +/- 1.5 at discharge, respectively (P < .001 and P = .005, respectively). Although the score at presentation was significantly lower for the helium-oxygen-treated group (P < .001), no difference was found between the groups' average outcome scores. While most of the improvement in the patients in the study group could be attributed to the helium-oxygen treatment and not to the supplemental hyperbaric oxygen, in the control group, no significant difference could be demonstrated between the scores at presentation and at completion of the air-oxygen recompression table. In 5 patients who were treated with the use of the air-oxygen tables, deterioration was observed after recompression. No deterioration or neurologic DCS relapse occurred in the helium-oxygen-treated group. CONCLUSION The results suggest an advantage of helium-oxygen recompression therapy over air-oxygen tables in the treatment of neurologic DCS.
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Ramon Y, Ullmann Y, Moscona R, Ofiram E, Tamir A, Har-Shai Y, Toledano H, Barzilai A, Peled IJ. Aesthetic results and patient satisfaction with immediate breast reconstruction using tissue expansion: a follow-up study. Plast Reconstr Surg 1997; 99:686-91. [PMID: 9047187 DOI: 10.1097/00006534-199703000-00013] [Citation(s) in RCA: 84] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Immediate breast reconstruction with the tissue expander is now established as an accepted procedure after mastectomy, and large series have been published concerning the technique and its complications. Unfortunately, only scarce information is available regarding the long-term aesthetic results and patient satisfaction achieved by immediate reconstruction using tissue expansion. In this study, we reviewed 52 patients who had undergone immediate breast reconstruction using the tissue expander with a follow-up of at least 1 year after completion of the reconstruction. We developed an objective assessment of patient satisfaction, aesthetic results, and the factors affecting them. The results show remarkable concordance of assessment by patient, surgeon, and independent observer: All gave good scores for aesthetic appearance (6.4 to 7.4 on a scale of 1 to 10). A total of 92.3 percent of patients rated their satisfaction as good to excellent. Symmetry was the main parameter influencing the patients' score, while the surgeon's score also was affected by the quality of the inframammary fold and capsular contracture. Breast size, chemotherapy, complications, time interval, and additional procedures had no relation to either scoring or patient satisfaction.
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Abramovich A, Shupak A, Ramon Y, Shoshani O, Bentur Y, Bar-Josef G, Taitelman U. [Hyperbaric oxygen for carbon monoxide poisoning]. HAREFUAH 1997; 132:21-4, 71. [PMID: 9035576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Severe cases of carbon monoxide (CO) poisoning from all over Israel are treated at the Israel Naval Medical Institute with hyperbaric oxygen (HBO). Between 1.11.94 and 15.2.95. 24 cases of CO poisoning were treated. Poisoning was usually due to domestic gas-fired heating systems, CO being the only toxin involved. Since delay between termination of CO exposure and arrival at the emergency department averaged 55 minutes, the level of carboxyhemoglobin measured on presentation did not always reflect the true severity of the poisoning. Poisoning was defined as severe and requiring HBO treatment when 1 or more of the following indications was present: evidence of neurological involvement, cardiographic signs of acute ischemic injury, metabolic acidosis, carboxyhemoglobin level greater than 25%, and pregnancy. 20 (84%) recovered consciousness during the course of 1 session (90 min.) of HBO treatment (pO2 2.8 ATA) or immediately thereafter, with resolution of other signs of CO poisoning. 3 required a second treatment session before their symptoms resolved. A patient who arrived in deep coma with severe cerebral edema died. HBO is an important element in the combined treatment of severe CO poisoning. There should be greater awareness of the danger of CO poisoning and the means of preventing it, both among medical staff and the population as a whole, mainly in areas in which cold weather requires use of heating systems, which may be gas-fired.
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Moscona R, Ramon Y, Toledano H, Solomonov I, Ullman Y, Har-Shai Y, Peled I, Barzilai A. [Immediate breast reconstruction with transverse abdominal myocutaneous flap]. HAREFUAH 1996; 130:11-3, 72. [PMID: 8682370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Mastectomy in 16 consecutive patients with carcinoma of the breast was immediately followed by reconstruction with a transverse abdominal, myocutaneous flap. Surgery was performed simultaneously by a team of general surgeons and a team of plastic surgeons. The final cosmetic result was considered very good by most patients. Complications were only minor and were treated conservatively. We consider breast reconstruction by this method, after mastectomy for breast carcinoma, to be the method of choice.
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Zonis Z, Weisz G, Ramon Y, Bar Joseph G, Torem S, Melamed Y, Bialik V. Salvage of the severely injured limb in children: a multidisciplinary approach. Pediatr Emerg Care 1995; 11:176-8. [PMID: 7651875 DOI: 10.1097/00006565-199506000-00009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Massive trauma to a limb, even in young children, may lead to loss of viability and function. A combination of open fracture with vascular, crush, and avulsion injury resulting in acute peripheral ischemia may place the extremity at risk of necrosis and imminent amputation. We suggest a combined, multidisciplinary approach that includes initial vascular repair and fractures fixation, with early institution of hyperbaric oxygen therapy.
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