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Karyometry detects subvisual differences in chromatin organisation state between non-recurrent and recurrent papillary urothelial neoplasms of low malignant potential.

AIM: To analyse nuclear chromatin texture in non-recurrent and recurrent papillary urothelial neoplasms of low malignant potential (PUNLMPs). MATERIALS: Ninety three karyometric features were analysed on haematoxylin and eosin stained sections from 20 PUNLMP cases: 10 from patients with a solitary PUNLMP lesion, who were disease free during at least eight years' follow up, and 10 from patients with unifocal PUNLMP, one or more recurrences being seen during follow up. RESULTS: Kruskal-Wallis analysis was used to search for features showing significant differences between recurrent and non-recurrent cases. Significance was better than p<0.005 for more than 20 features. Based on significance, six texture features were selected for discriminant analysis. Stepwise linear discriminant analysis reduced Wilk's lambda to 0.87, indicating a highly significant difference between the two multivariate data sets, but only modest ability to discriminate (70% correct case classification). A box sequential classifier was used based on data derived from discriminant analysis. The classifier took three classification steps and classified 19 of the 20 cases correctly (95% correct case classification). To determine whether significant case grouping could also be obtained based on an objective criterion, the merged data sets of non-recurrent and recurrent cases were submitted to the unsupervised learning algorithm P-index. Two clusters were formed with significant differences. The subsequent application of a Cooley/Lohnes classifier resulted in an overall correct case classification rate of 85%. CONCLUSIONS: Karyometry and multivariate analyses detect subvisual differences in chromatin organisation state between non-recurrent and recurrent PUNLMPs, thus allowing identification of lesions that do or do not recur.

Algorithms↗

Hook needle-guided excision of recurrent differentiated thyroid cancer in previously operated neck compartments: a safe technique for small, nonpalpable recurrent disease.

CONTEXT: As a result of more sensitive techniques to detect recurrent thyroid cancer, the number of patients presenting with small, nonpalpable recurrent thyroid cancer in cervical lymph nodes is increasing. Surgical excision of nonpalpable recurrent thyroid cancer can be difficult, particularly in a previously operated area. OBJECTIVE: The objective of this study was to investigate whether preoperative insertion of a hook needle under ultrasound guidance is useful in neck reoperations for recurrent thyroid cancer. PATIENTS: Ten consecutive patients presenting over a 4-month period with nonpalpable, ultrasound-visible, fine needle biopsy-proven recurrent thyroid cancer in previously operated neck compartment(s) were studied. MAIN OUTCOME MEASURES: We measured whether it was technically possible to insert a hook needle preoperatively, rate of negative neck exploration, and complication rate. RESULTS: The hook needle was inserted in seven patients. In three patients, the hook needle was not inserted; one patient had palpable disease 4 months after the preoperative clinic visit, one patient had a tumor too close to the carotid artery, and one patient had multiple bilateral foci of recurrent disease in the central neck. One patient had bleeding after insertion of the needle due to a penetration of an anterior jugular vein that was easily managed at neck reexploration. No other complication occurred during the hook needle insertion, and the only surgical complication was a transient recurrent nerve palsy. All pathology reports showed malignant disease. CONCLUSION: Hook needle-guided excision of recurrent thyroid cancer is feasible and appears to be a promising tool for safe and successful reoperation of patients with small recurrent thyroid cancer in cervical lymph nodes.

Adolescent↗

[Significance of radical recurrent tumor resection for recurrent gastric cancer as assessed by prognosis].

To evaluate the relationship between radical surgery of recurrent tumor and prognosis in cases of recurrent gastric cancer, we analyzed data on 202 patients with relapsed gastric cancer, focusing on surgical recurrent tumor removal. In our series, 18 of the 202 patients underwent radical recurrent tumor resection. Resected tumors were located in the ovarium (n = 4), colorectum (n = 3), liver (n = 3), lymph node (n = 2), locoregional stoma (n = 2), and peritoneum, adrenal gland, brain, and lung (n = 1 each). No surgery-related mortality occurred. One patient remains alive over 5 years after hepatectomy without recurrence, and 17 died within 3 years: 7 patients from primary recurrence and 10 from multiple modes of recurrence. Median survival after recurrence (MSTAR) in the 18 radical surgery patients was 14 months, against 5 months in those treated palliatively (p = 0.0001). MSTAR for the ovary and the liver were 30 months and 15 months in the radical surgery cases, and 2.5 months for the ovary and 5 months for the liver in the palliative cases. Significant differences were thus seen between radical and palliative cases in the ovary (p = 0.010) and in the liver (p = 0.036). Median survival after gastrectomy was 45 months in the radical surgery cases, and 28 months in the palliative cases (p = 0.024). In postoperative gastric cancer follow-up, early detection of recurrence and radical surgery may well benefit patients with relapse, especially in the liver and ovary, in terms of survival.

Colonic Neoplasms↗

[Recurrence and prevention of recurrence after dissolution of gallbladder lithiasis by chenodeoxycholic acid in 22 patients].

Dissolution of gallstones was observed 33 times in 22 patients. For 11 of them a recurrent lithiasis was dissolved by means of a second or third medical treatment. 21 patients have been followed for 3 to 6 years (median over 4 years). Without longstanding treatment the recurrence rate was 50 p. 100 in 3 years and 87.5 p. 100 in 6 years. Most of the patients should have relapsed in less than 9 years. Recurrences were always successfully treated with the same treatment but relapsed if the treatment was stopped (21 recurrences in 14 patients). A-1 month every 4 months-long standing treatment did not prevent recurrences in 8 patients whereas treatment every other month prevented recurrences in 5. It is therefore suggested to give long treatment after dissolution of gallstones to avoid recurrences. Its duration should be undefinite. Alternatives might include: 1) repeated dissolving treatments in case of recurrences, if relapses occur lately; 2) or longstanding treatment in case of early recurrences.

Adult↗

High-dose sequential chemotherapy and peripheral blood progenitor cell autografting in patients with refractory and/or recurrent Hodgkin lymphoma: a multicenter study of the intergruppo Italiano Linfomi showing prolonged disease free survival in patients treated at first recurrence.

BACKGROUND: The objective of the current study was to evaluate in a multicenter setting the feasibility and efficacy of a high-dose sequential (HDS) chemotherapy regimen that combined intensive debulking and high-dose therapy (HDT) with peripheral blood progenitor cell (PBPC) autografting in patients with refractory or recurrent Hodgkin lymphoma (HL). METHODS: Data were collected from 102 patients with HL who were treated with the HDS regimen at 14 centers associated with the Intergruppo Italiano Linfomi. Twenty-four patients had primary refractory HL, 59 patients had their first recurrence of HL (within 1 year in 32 patients and > 1 year in 27 patients), and 19 patients had multiple disease recurrences. The HDS regimen included the sequential delivery of high-dose (hd) cyclophosphamide with PBPC harvesting, methotrexate, etoposide, then HDT (usually hd mitoxantrone plus L-phenylalanine mustard) with PBPC autografting. In addition, radiotherapy was delivered to 36 patients at sites of bulky or persistent disease. RESULTS: Ninety-two patients (90%) completed the HDS program. There were five toxic deaths (treatment-related mortality rate, 4.9%) and six secondary malignan cies (five patients developed myelodysplastic syndrome/acute myelogenous leukemia, and one patient developed colorectal carcinoma). At a median follow-up of 5 years, the 5-year overall survival (OS) and event-free survival (EFS) projections were 64% (95% confidence interval [95% CI], 54-74%) and 53% (95% CI, 43-63%), respectively. Patients with their first recurrence had the most favorable outcome, with 5-year OS and EFS projections of 77% (95% CI, 66-88%) and 63% (95% CI, 50-76%), respectively. There were no significant differences between patients with early first recurrence and late first recurrence. The poorest outcome was observed in patients with refractory HL, with 5-year OS and EFS projections of 36% (95% CI, 16-55%) and 33% (95% CI, 14-52%), respectively. Patients who received HDS chemotherapy after multiple recurrences had an intermediate outcome. Multivariate analysis showed that refractory disease and systemic symptoms at the time of initial presentation were associated significantly associated with poor OS and EFS. CONCLUSIONS: The use of HDS chemotherapy for patients with refractory and/or recurrent HL is feasible at the multicenter level. The combination of intensive debulking and HDT with PBPC autografting offers a good chance of prolonged disease free survival for patients with their first recurrence of HL.

Adolescent↗

[A clinicopathological study on hematogenous recurrence of colo-rectal cancer--with special reference to prediction and prevention of the recurrence].

Hematogenous recurrence was investigated in 325 cases of colo-rectal cancer. Hematogenous recurrence was confirmed in 34 cases including 25 liver, 5 lung, 2 bone, one brain and one skin recurrence. Most of the cases (28 cases, 82.4%) revealed a single or multiple hematogenous recurrences without showing additional other types of recurrence. Histological examination of cancer lesions indicated that patients with the findings consisting of moderate and/or high grade of vein invasion (v2-3), subserosal and extramural vein invasion with node metastasis showed high recurrent rate. One and two year survival rate of the patients treated with MF-MF' adjuvant chemotherapy was greater those the patients with F-F' chemotherapy or those without chemotherapy. However, 3-, 4- and 5- year survival rate did not show significant difference among 3 therapeutic groups. The analysis of survival curves also indicated no significant difference among 3 therapeutic groups. These results may suggest that hematogenous recurrence is derived from pre- and/or intra-operative micrometastasis or transplantation of cancer cells, that patients with the above mentioned histological evidence must be clinically treated as a high risk group for recurrence and that MF-MF' adjuvant chemotherapy can be effective in lowering the recurrence rate during the first one or two years after operation.

Antineoplastic Agents↗

Post-menopausal recurrent vaginal candidiasis: effect of hysterectomy on response to treatment, type of colonization and recurrence rates post-treatment.

INTRODUCTION: Post-menopausal patients are still susceptible to be colonized by fungal organisms despite being estrogen-deprived. Symptomatic vulvovaginal candidiasis, although a rare occurrence in post-menopausal patients, can be diagnosed in about one third of the patients. The purpose of our study was to investigate in post-menopausal patients with recurrent vulvovaginal candidiasis the effect of hysterectomy on response to treatment, the type of colonization and the recurrence rates after treatment. MATERIALS: Forty-seven menopausal patients with symptomatic recurrent vulvovaginal colonization were evaluated between January 1995 and August 2002. The study was a retrospective cohort chart review and included complete history and physical examination, basic metabolic blood panel, colposcopy, wet mount, bacterial and fungal cultures. Twenty-three patients had hysterectomy and 24 were not hysterectomized. All the patients received daily fluconazole therapy for 30 days. They were then re-evaluated at 1, 3 and 6 months and retreated if symptomatic and culture positive. RESULTS: The 2 groups of patients were comparable regarding age, number of years of recurrent colonization, number of previous antifungal treatments and previous, current use of hormone replacement therapy. None used vaginal douching. The 2 groups of patients showed statistical differences regarding: colonization by Candida albicans (P<0.01), colonization by Candida glabrata (P<0.05), colonization by Candida stelloidea (P<0.01), recurrence after 3 months (P<0.05) and 6 months (P<0.05), response to one course of therapy (P<0.02) and need for multiple treatments (P<0.03). CONCLUSIONS: Hysterectomized post-menopausal patients with recurrent vulvovaginal fungal colonization seems to be more propense to harbor more aggressive and resistant fungi. Post-menopausal recurrent vaginal candidiasis: effect of hysterectomy on response to treatment, type of colonization and recurrence rates post-treatment.

Antifungal Agents↗

Causes of re-recurrence after polytetrafluoroethylene patch saphenoplasty for recurrent varicose veins.

BACKGROUND: The aim of this study was to determine whether a polytetrafluoroethylene (PTFE) patch sutured over the religated saphenofemoral junction could reduce the rate of recurrence after operation for recurrent varicose veins. METHODS: Fifty patients who had surgery for recurrent long saphenous incompetence (81 legs had a small PTFE patch sutured over the religated saphenofemoral junction. There were no major complications following surgery. Three patients had a wound infection or delayed healing. All patients were invited for clinical examination and duplex imaging at a median of 19 (range 6-39) months after operation. RESULTS: Some 38 of 43 patients (70 legs) remained satisfied with the results of surgery; 16 (23 per cent) of 70 legs had visible veins on inspection and eight of these (11 per cent) involved symptomatic recurrence. Duplex imaging showed that recurrence was due to saphenofemoral junction incompetence in ten legs; two appeared to have a major groin connection but the other eight appeared to have neovascularization. Other causes were thigh perforator reflux (three legs) and cross-groin collaterals (three). Eleven of the 16 legs with recurrence had varicography but in two the procedure was a technical failure. Two legs had evidence of a significant connection (more than 3 mm) and two a minor connection (less than 3 mm) to the femoral vein at the level of the PTFE patch, but in the remainder recurrence was due to upper thigh perforating veins. There was good concordance between duplex imaging and varicography. CONCLUSION: PTFE patch saphenoplasty appears to be safe. Although these are early results, the technique seems potentially as effective as other barrier methods that have been investigated; in ten legs (12 per cent) recurrence was attributed to failure at the level of the PTFE patch.

Adult↗

Milnacipran efficacy in the prevention of recurrent depression: a 12-month placebo-controlled study. Milnacipran recurrence prevention study group.

To compare the efficacy and assess the tolerability of milnacipran 50mg p.o. b.i.d. to placebo in the prevention of recurrence in depressed patients who had responded an acute treatment and had remained in remission during a 4-month continuation phase. Remission criteria were: a Hamilton Depression Rating Scale (HDRS) (21-item) < or = 8, improvement or disappearance of the initial symptoms, and an assessment of 'very much improved' or 'much improved' on the Clinical Global Impression (CGI) Subscale: Global Improvement. Recurrence was defined by a major depressive episode according to DSM-III-R criteria and a minimum score of 18 on the HDRS, with the need to treat the recurrence. The primary analysis was the rate of recurrence as a function of time in the intent-to-treat population. Groups were compared using the Cox model. Absolute recurrence rates were 16.3% (17/104) in milnacipran-treated patients and 23.6% (26/110) in placebo-treated patients, with a significant difference in the reduction of recurrence as a function of time (Kaplan Meier Survival Analysis analysis, P < 0.05). There was no difference in tolerability between groups. This study demonstrates that milnacipran is effective with good tolerability in preventing recurrence in major depressive disorder over 1 year in patients with recurrent depression who responded to acute treatment with milnacipran and continued their response for 18 weeks.

Adult↗

A prospective study of recurrence rate and risk factors for recurrence after a first renal stone.

PURPOSE: We investigate further the recurrence rate and risk factors for recurrence in 300 consecutive patients who presented to our stone clinic after a first stone episode 7 to 17 years ago. MATERIALS AND METHODS: The medical records of the patients who presented consecutively with a first stone episode from 1980 to 1990 were studied and supplemented by a followup mail questionnaire and telephone interviews. At first visit serum samples were taken from all patients and 24-hour urine samples were collected for metabolic testing. RESULTS: A total of 195 patients were followed successfully, of whom 52 (27%) experienced symptomatic stone recurrence after a mean plus or minus standard deviation of 7.5+/-5.9 years. However, ultrasound examination of 36 symptom-free patients showed recurrent stones in 28%. Comparison of patients with or without recurrence confirmed that recurrence was not influenced by sex, family history of stones and urinary risk factors. However, age at onset of the disease was lower for patients who had 2 or more stones during followup than those who had only 1 stone or no recurrence. CONCLUSIONS: Stones can recur as long as 10 years after the first episode, although the rate is lower than previously reported. The metabolic evaluation after a first stone episode needs to be reappraised in terms of its cost-effectiveness, since recurrences do not seem to be predictable from standard laboratory tests.

Adolescent↗

Hormonal factors and risk of recurrent venous thrombosis: the prevention of recurrent venous thromboembolism trial.

BACKGROUND: In some but not all studies, men with venous thrombosis had a higher risk of recurrence than women. Information on women with initial hormone-related thrombosis is scant. OBJECTIVE: We assessed the incidence of recurrent thrombosis by gender, and among women using exogenous hormones or pregnant/postpartum at the time of index thrombosis. PATIENTS/METHODS: A total of 508 men and women with one or more previous venous thrombosis episodes were observed while participating in a randomized trial of low-intensity warfarin or placebo for 2.1 years. Index thrombosis events during treatment with postmenopausal hormones, oral contraceptives, or during pregnancy, or the puerperium were considered to be hormone-related events. RESULTS: Among 268 men the 3-year probability of recurrent thrombosis was 18.4% (95% confidence intervals; CI 12.3-24.4). Among 109 women without hormone-related thrombosis, the rate was 15.0% (95% CI 6.3-23.8). Among 129 women with hormone-related thrombosis, the rate was 5.0% (95% CI 1.1-8.9). Adjusting for other risk factors and treatment assignment, women had a 39% lower thrombosis recurrence risk than men: hazard ratio (HR) 0.61 (95% CI 0.34-1.08). Women with hormone-related thrombosis had a 58% lower risk than men: HR 0.42 (95% CI 0.19-0.97); and a 46% lower recurrence risk than other women; HR 0.54 (95% CI 0.19-1.54). Women without hormone-related index events had a recurrence rate similar to men; HR 0.83 (95% CI 0.42-1.66). CONCLUSIONS: In this trial population, women had a lower risk of recurrent venous thrombosis than men. This difference was explained by a low risk of recurrence among women with hormone-related index thrombosis.

Aged↗

Epidemiology of recurrent cerebral infarction: a medicare claims-based comparison of first and recurrent strokes on 2-year survival and cost.

BACKGROUND AND PURPOSE: Because recurrent strokes will tend to leave patients with greater disability than first strokes, patients with recurrent strokes should have poorer outcomes on average than those with first strokes. The extent of this difference has, however, not yet been estimated with precision. METHODS: Using a random 20% sample of Medicare patients aged 65 years and older admitted with a primary diagnosis of cerebral infarction during calendar year 1991, we used historical data from the previous 4 years to classify patients as having either first or recurrent stroke and followed survival and direct medical costs for 24 months after stroke. First and recurrent stroke groups were compared with the log-rank test (survival) and t test (cost) and also multivariate modeling. RESULTS: Survival from first stroke is consistently better than that for recurrent stroke: 24-month survival was 56.7% versus 48.3%, respectively. Costs were similar for the initial hospital stay and in months 1 to 3 after stroke. During months 4 to 24 after stroke, total costs were higher among those with recurrent stroke by approximately $375/mo across all patients, with this difference being greatest for younger patients and least for patients aged 80 years or older. Most of the difference in total monthly cost was attributable to nursing home utilization (averaging approximately $150/mo) and acute hospitalization (averaging approximately $120/mo). CONCLUSIONS: Patients with recurrent stroke have, on average, poorer outcomes than those with first stroke. To be as accurate as possible, clinical policy analyses should use different estimates of health and cost outcomes for first and recurrent stroke.

Aged↗

Surgery for recurrent colon cancer: strategies for identifying resectable recurrence and success rates after resection. Eastern Cooperative Oncology Group, the North Central Cancer Treatment Group, and the Southwest Oncology Group.

BACKGROUND: Follow-up testing after surgery for colon cancer is recommended principally to identify resectable recurrences, but data on the efficacy of, outcomes of, and optimal strategies for this testing are limited. OBJECTIVES: To determine the relation between follow-up tests and salvage surgery, assess outcomes, and document surgical mortality. DESIGN: Retrospective cohort study. SETTING: A North American multi-institutional trial comparing postoperative chemotherapy plus follow-up with follow-up alone. PATIENTS: 1247 patients with resected stage II and stage III colon cancer. INTERVENTION: The protocol mandated follow-up testing that could be supplemented at the discretion of treating physicians. Indications of recurrent disease were documented. MEASUREMENTS: Recurrence, resectable recurrence, surgical mortality, and survival were studied. RESULTS: 548 patients had recurrence of colon cancer. Salvage surgery was attempted in 222 patients (41%). In 109 patients (20%), curative-intent surgery was done for hepatic recurrence (28 patients), pulmonary metastasis (20 patients), local recurrence (24 patients), or recurrence at other sites (37 patients). Most curative-intent surgical procedures were motivated by follow-up testing (36 patients), elevated carcinoembryonic antigen level (41 patients), or symptoms (27 patients). The median follow-up time after curative-intent surgery exceeded 5 years; the estimated 5-year disease-free survival rate was 23%. A solitary lesion was a favorable prognostic factor. The surgical mortality rate was 2%. Curative-intent resections were done in 15 patients with second primary colorectal cancer; 12 of these patients have survived disease-free. CONCLUSIONS: Second operations for colon cancer that are triggered by follow-up testing or symptoms are common and can result in long-term disease-free survival.

Colonic Neoplasms↗

Limb recurrence-free interval and survival in patients with recurrent melanoma of the extremities treated with normothermic isolated perfusion.

To date, little is known about prognostic factors for limb recurrence-free interval and survival in patients with recurrent melanoma of the limbs treated with regional isolated perfusion. Therefore, 216 such patients treated with normothermic perfusion using melphalan during the period 1978 to 1990 were analyzed for patient and tumor related variables using a Cox proportional hazard model. The five year limb recurrence-free interval was 52 percent. For stage II (n = 67), IIIA (n = 71) and IIIAB and IIIB (n = 78) disease separately, these percentages were 53, 56 and 47 percent. In stage II disease, patients with a local recurrence adjacent to scar or skin graft had a significantly better five year limb recurrence-free interval than patients with satellites (75 versus 33 percent; p = 0.0009). Prognostic factors for limb recurrence-free interval were--in order of importance--tumor tissue left in situ, number of previous limb recurrences and total tumor surface area. The overall five year survival rate was 42 percent. For stages II, IIIA and IIIAB and IIIB disease, these percentages were 57, 45 and 25 percent, respectively. There was no survival benefit for patients with a local recurrence. Prognostic factors for survival were, in order of importance, stage of disease, gender, age, Breslow thickness, Clark level of infiltration of the primary melanoma and the number of lesions forming the indication for perfusion. The results of this study will eventually further delineate indications for perfusion.

Adult↗

Nocturnal hydration--an effective modality to reduce recurrent abdominal pain and recurrent pancreatitis in patients with adult-onset cystic fibrosis.

Recurrent abdominal pain and recurrent pancreatitis are common problems associated with some patients with cystic fibrosis (CF). There is no known effective method to prevent recurrent abdominal pain and recurrent pancreatitis in such patients. The objective of this study was to determine whether nocturnal hydration (NH) prevents recurrent abdominal pain and recurrent acute pancreatitis in patients with adult-onset CF. Adult CF patients who were referred to our Pancreatic Diseases Clinic for recurrent abdominal pain and pancreatitis were enrolled in the study. Each patient was encouraged to drink plenty of water during the night and established a 6-month diary (3 months before and 3 months after NH was initiated), recording the frequency and severity of their abdominal pain, the amount of pain medication taken, and the volume of their water intake. We also reviewed the number of doctor's clinic visits, emergency room visits, and hospitalizations for about 1 year before and 1 year after the initiation of the NH. The frequency and the severity of abdominal pain in this group of patients were significantly reduced. The amount of pain medication and the number of emergency room visits and hospitalizations for abdominal pain and acute pancreatitis were reduced. NH is a simple and cost-effective method to prevent recurrent abdominal pain and pancreatitis in patients with adult-onset CF.

Abdominal Pain↗

Silicone patch saphenoplasty to prevent repeat recurrence after surgery to treat recurrent saphenofemoral incompetence: long-term follow-up study.

OBJECTIVE: Barrier techniques have been proposed to improve the results of repeat surgery to treat recurrent saphenofemoral junction incompetence. We hypothesized that interposition of a silicone implant would contain postoperative neovascularization and thus reduce the incidence of clinical recurrence at 5-year follow-up. METHODS: We compared the results of repeat interventions with use of silicone sheeting with a control group without artificial implants. The study was performed in hospitalized patients in a level 3 referral center (University Hospital). All patients underwent new flush ligation in the groin, with stab avulsion of recurrent varicosities. Two closure techniques were compared: in group A (33 limbs) the groin incision was closed in two layers; in group B (35 limbs) a piece of silicone sheeting was sutured on the saphenous stump. Clinical examination and duplex scanning were performed after 1 and 5 years postoperatively. Limbs operated on were checked in particular for the presence of recurrent thigh varicose veins. Color-coded duplex scanning was performed to assess for the presence of clinically relevant neovascularization, defined as the presence of a new vein with diameter at least 4 mm and with pathologic reflux in direct connection with incompetent varicose veins at thigh level. RESULTS: Clinical examination after 1 year showed recurrent thigh varicosities in 24% of limbs in group A and 12% of limbs in group B (P =.369). After 5 years recurrent thigh varicosities were observed in 58% of limbs in group A and in 26% of limbs in group B (P =.009). Duplex scans after 1 year revealed neovascularization in 27% of limbs in group A and 6% of limbs in group B (P =.018). After 5 years neovascularization was present in 45% of limbs in group A and 9% of limbs in group B (P =.0007). CONCLUSIONS: The use of a silicone patch at repeat operation to treat recurrent varicose veins caused by new incompetence at the level of the saphenofemoral junction is associated with a lower incidence of recurrent thigh varicosities and neovascularization compared with a control group in which no additional barrier technique was used.

Adult↗