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Testosterone is necessary for general well- being, mental and physical health. Testosterone level decreases with age. Women also benefit from testosterone therapy. Testosterone therapy improves mood, mental and physical health. Testosterone therapy mitigates risk of cardiovascular event and improves measures of body habitus and can be considered as an adjuvant therapy for weigh loss. Pre-treatment with testosterone seems promising to improve the success of In-vitro Fertilization (IVF) in patients with ovarian failure. Transdermal testosterone use by postmenopausal woman does not influence mammographic density leading to probable misdiagnoses. The only evidence-based indication for testosterone therapy for women is for the treatment of Hypoactive Sexual Desire Disorder (HSDD). No female testosterone product has been approved by national regulatory authority due to the lack of data concerning efficacy and safety of these preparations in women.

Background: The introduction of the frozen elephant trunk (FET) technique for total arch replacement (TAR) has revolutionized the field of aortovascular surgery. However, although FET yields excellent results, the risk of certain complications requiring secondary intervention remains present, negating its one-step hybrid advantage over conventional techniques. This systematic review and meta-analysis sought to evaluate controversies regarding the incidence of FET-related complications, with a focus on aortic remodeling, distal stent-graft induced new entry (dSINE) and endoleak, in patients with type A aortic dissection (TAAD) and/or thoracic aortic aneurysm. Materials and methods: A comprehensive literature search was conducted using multiple electronic databases including EMBASE, Scopus, and PubMed/MEDLINE to identify evidence on TAR with FET in patients with TAAD and/or aneurysm. Studies published up until January 2022 were included, and after applying exclusion criteria, a total of 43 studies were extracted. Results: A total of 5068 patients who underwent FET procedure were included. The pooled estimates of dSINE and endoleak were 2% (95% CI 0.01-0.06, I = 78%) and 3% (95% CI 0.01-0.11, I = 89%), respectively. The pooled rate of secondary thoracic endovascular aortic repair (TEVAR) post-FET was 7% (95% CI 0.05-0.12, I = 89%) whilst the pooled rate of false lumen thrombosis at the level of stent-graft was 91% (95% CI 0.75-0.97, I = 92%). After subgroup analysis, heterogeneity for dSINE and endoleak resolved among European patients, where Thoraflex Hybrid and E-Vita stent-grafts were used (both I = 0%). In addition, heterogeneity for secondary TEVAR after FET resolved among Asians receiving Cronus (I = 15.1%) and Frozenix stent grafts (I = 1%). Conclusion: Our results showed that the FET procedure in patients with TAAD and/or aneurysm is associated with excellent results, with a particularly low incidence of dSINE and endoleak as well as highly favorable aortic remodeling. However the type of stent-graft and the study location were sources of heterogeneity, emphasizing the need for multicenter studies directly comparing FET grafts. Finally, Thoraflex Hybrid can be considered the primary FET device choice due to its superior results.

Introduction: Subclavian artery injury is an uncommon vascular trauma with potential morbidity and mortality. Management of subclavian artery trauma requires open and endovascular techniques and timely and efficacious decision is mandatory. We retrospectively reviewed traumatic subclavian artery injuries in a high-volume vascular surgery center in Iran. Methods: In a retrospective study, we assessed subclavian artery injuries during 6 years in ShohadaTajrish Medical Center. Background characteristics, type of incision, type of operation and outcome of patients were evaluated. Results: A total of 14 patients had subclavian artery injury (mean age 29.9 ± 13.4 years, 92.9% male). Trauma was in left and right sides in eight (57.1%) and six patients (42.9%) respectively. Arteriorrhaphy, interposition and ligation of injured artery was done in 7 (50.0%), 3 (21.4%) and 4 (28.6%) patients respectively. Associated nerve injury was present in six patients (42.9%). Endovascular proximal control was obtained in six patients (42.9%) prior to vascular exposure. Time of patient referral did not have significant association with shock or type of operation (P > 0.05). Conclusion: Although traumatic subclavian artery injuries are rare, its vascular exposures and reconstructions are of potential clinical concern. Endovascular interventions can facilitate proximal control. In addition, endovascular repair by covered stent is an alternative to open surgery.

This dataset supports the findings of the vascular e-Learning during the COVID-19 pandemic survey (the EL-COVID survey). The General Data Protection Regulation (GDPR) of the European Union was taken into consideration in all steps of data handling. The survey was approved by the institutional ethics committee of the Primary Investigator and an online English survey consisting of 18 questions was developed ad-hoc. A bilingual English-Mandarin version of the questionnaire was developed according to the instructions of the Chinese Medical Association in order to be used in mainland People's Republic of China. Differences between the two questionnaires were minor and did affect the process of data collection. Both questionnaires were hosted online. The EL-COVID survey was advertised through major social media. All national and regional contributors contacted their respective colleagues through direct messaging on social media or by email. Eight national societies or groups supported the dissemination of the EL-COVID survey. The data provided demographics information of the EL-COVID participants and an insight on the level of difficulty in accessing or citing previously attended online activities and whether participants were keen on citing these activities in their Curricula Vitae. A categorization of additional comments made by the participants are also based on the data. The survey responses were filtered, anonymized and submitted to descriptive analysis of percentage.

Background The corona virus disease (COVID-19) pandemic has radically changed the possibilities for vascular surgeons and trainees to exchange knowledge and experience. The aim of the present survey is to inventorize the e-learning needs of vascular surgeons and trainees as well as the strengths and weaknesses of vascular e-Learning. Methods An online survey consisting of 18 questions was created in English, with a separate bilingual English-Mandarin version. The survey was dispersed to vascular surgeons and trainees worldwide through social media and via direct messaging from June 15, 2020 to October 15, 2020. Results Eight hundred and fifty-six records from 84 different countries could be included. Most participants attended several online activities (>4: n = 461, 54%; 2–4: n = 300, 35%; 1: n = 95, 11%) and evaluated online activities as positive or very positive (84.7%). In deciding upon participation, the topic of the activity was most important (n = 440, 51.4%), followed by the reputation of the presenter or the panel (n = 178, 20.8%), but not necessarily receiving accreditation or certification (n = 52, 6.1%). The survey identified several shortcomings in vascular e-Learning during the pandemic: limited possibility to attend due to lack of time and increased workload (n = 432, 50.5%), no protected/allocated time (n = 488, 57%) and no accreditation or certification, while technical shortcomings were only a minor problem (n = 25, 2.9%). Conclusions During the COVID-19 pandemic vascular e-Learning has been used frequently and was appreciated by vascular professionals from around the globe. The survey identified strengths and weaknesses in current e-Learning that can be used to further improve online learning in vascular surgery.

We report a 66-year-old male patient with severe right lower extremity swelling resulting from diffuse pelvic mass with compression on right external iliac vein. The patient had papillary urothelial carcinoma of bladder seven years ago and radical cystectomy and ureterostomy was performed. Recurrence of malignancy had occurred five years after the operation. The patient had also bilateral diffuse lung metastasis. The external iliac vein had severe stenosis and invasion of pelvic mass into the vein was evident on venography. Venoplasty of external iliac vein was performed throughout the stenosis. A venous stent of 80 mm length and 12 mm diameter was introduced over the guidewire and deployed in the external iliac vein. Dramatic clinical response was evident since postoperative day two. Swelling of right lower extremity was resolved dramatically on three-month and six-month follow-up visits. We believe that endovascular venous recanalization of iliac veins is feasible and safe in patients with unresectable and diffuse pelvic masses.

We report a case of an 81-year-old woman with extensive pelvic lymphadenopathy that caused severe stenosis and occlusion of the right common and external iliac veins and proximal common femoral vein. Pelvic lymphadenopathy resulted from the recurrence of a previous right ovarian epithelial tumor. The patient had severe right lower extremity edema, consistent with severe venous insufficiency. She was treated with high-pressure balloon angioplasty (12-14 mm in diameter) and four self-expanding stents (14-10 mm diameter, 80-40 mm length). The postoperative response was dramatic to a near-complete resolution of the edema. The venous clinical severity scores were 10 and 2 at presentation and 6 months after the follow-up, respectively. Balloon angioplasty and stenting are safe and effective methods for providing symptomatic relief for lower extremity venous insufficiency in patients with extensive and unresectable pelvic masses.

Introduction: Iliac vein aneurysm is a rare clinical entity. Iliac venous tract is the least commonlocation for venous aneurysms. There are a few cases of common, external and internal iliac veinaneurysms in the literature. However, undiagnosed and ruptured iliac venous aneurysms couldhave hazardous consequences. Herein, we reviewed all literature cases of iliac vein aneurysms.Their potential diagnostic and therapeutic challenges are discussed. Literature Review: Following a systematic search, 50 cases of iliac venous aneurysms wereidentified. We used MEDLINE [1900-March 2018] and EMBASE [until March 2018]. MeSHterms of iliac vein/veins/venous, hypogastric, inferior vena cava and aneurysm/aneurysms wereused. Fifty patients with venous aneurysms located in common, external or internal iliac veinswere found in our systematic search. Seventeen patients were female (35.4%) and 31 patients weremale (64.6%). The age range was 13 to 70 years of age. The aneurysm was located in right side in17 patients (34%). It was located in left side in 29 patients (58%) and it was bilateral in 4 patients(8%). The aneurysm was located in common, external and internal iliac veins in 15 (30%), 31(62%) and 4 (8%) patients respectively. The aneurysm was due to a previous arteriovenousfistula (AVF) in 19 patients (38%) and of them, 16 patients (32%) had a history of AVF resultingfrom a previous trauma. 29 patients (59.2%) underwent open surgical treatment. Five patients(10.2%) underwent endovascular treatment. One patient (2.0%) underwent hybrid treatment.Conservative treatment was used in 14 patients (28.6%). Conclusion: Iliac vein aneurysms are extremely rare. Its diagnosis necessitates precise clinicalsuspicion and the treatment is based on patients’ clinical scenario and radiological features. Bothopen and endovascular techniques could be feasible. Iliac vein aneurysms are more commonin men. Left sided aneurysms are more common. The most common anatomic location isexternal iliac vein. The most common cause of iliac aneurysms is dilatation of vein secondary toa traumatic AVF.

Introduction: Currently, lasers are used to treat many diseases and their complications. However, the use of lasers in pregnant patients is still controversial. Methods: In this review, the application of lasers in the fields of urology, surgery, obstetrics, dermatology, and musculoskeletal disorders is evaluated. The following keywords were used to search through PubMed, Google Scholar, and Scopus: pregnancy, laser, urolithiasis, endovenous laser ablation (EVLA) or treatment, leg edema, varicose vein, venous insufficiencies, hair removal, pigmentation, telangiectasia, vascular lesions, Q switch laser, diode laser, holmium, holmium-YAG laser, erbium laser and Pulsed dye laser, low-level laser therapy, high-intensity laser therapy, pain, musculoskeletal disorders, twin to twin transfusion syndrome (TTTS), amnioreduction, and safety. Results: Totally, 147 articles were found, and their abstracts were evaluated; out of 53 articles extracted, 14 articles were about dermatology, 24 articles were about urology, 12 articles were about obstetrics and gynecology, 10 articles were about musculoskeletal disorders and three articles were related to surgery. Conclusion: Laser therapy can be used as a safe treatment for urolithiasis, skin diseases, TTTS and varicose veins of the lower extremities. However, the use of laser therapy for musculoskeletal disorders during pregnancy is not recommended due to lack of evidence, and also we cannot recommend endovenous ablation.

Background Various mechanisms have been suggested for analgesic effects of drugs used in infra-clavicular block and each has contributed to pain relief. Objectives The aim of this study was to compare the degree of sympathetic block and measure tumor necrosis factor (TNF)-alpha, interleukin (IL)-6, and IL-1 levels before and after infra-clavicular block with ropivacaine and bupivacaine in patients undergoing arterio venous fistula (AVF) surgery. Methods Forty-eight patients undergoing AVF surgery were randomly divided to two groups, undergoing infra-clavicular block with ropivacaine and bupivacaine. The bupivacaine group was blocked with 30 mL of 0.5% bupivacaine and in the ropivacaine group, the blockage was done with 30 mL of 0.5% ropivacaine. Infra-clavicular block was carried out by ultrasound in a vertical manner. Blood samples were taken before the block and one hour after the block to measure IL-1, IL-6, and TNF-alpha. Data were analyzed by covariance analysis and correlation t-test. Results T-correlation analysis showed that in both ropivacaine and bupivacaine groups, the TNF-alpha, IL-6, and IL-1 levels decreased after the block. Also, the increase in arterial diameter was significantly greater in ropivacaine group. Conclusions The present study showed that peripheral block with any single drug could reduce pre-inflammatory factors. On the other hand, ropivacaine significantly increased the diameter of the artery compared to the bupivacaine group.

Background: The best arteriovenous access in diabetic patients under dialysis is crucial to attain better therapeutic outcomes and improved prognosis in the patients. The purpose in this study was to compare the primary patency and maturation rate of antecubital artriovenous fistula for dialysis in diabetic patient with two methods: regional block with Ropivacaine 0.5% and local anesthesia with lidocaine 2%. Methods and Materials: In this randomized clinical trial, 40 consecutive diabetic patients under dialysis in 2016 and 2017 in a training center were enrolled and the primary patency and maturation rate of antecubital artriovenous fistula were compared with regional block with Ropivacaine 0.5% versus local anesthesia with lidocaine 2%. Results: The results in this study demonstrated that all factors of final arterial and venous diameter, blood flow, and patency were higher in group under regional block with Ropivacaine 0.5% and all except patency showed significant difference (P < 0.05). The complications rates were alike across the groups (P > 0.05). Conclusion: Totally, according to the obtained results, it may be concluded that regional block with Ropivacaine 0.5% is superior to local anesthesia with lidocaine 2% leading to higher patency rate and shorter maturation time and also higher arteriovenous diameter and blood flow.

textabstractIntroduction Patient registries play an important role in obtaining real-world evidence of the cost-effectiveness of treatments. However, their implementation is costly and sometimes infeasible in many middle-income countries (MICs). We explored the combination of data-mining and a large claims database to estimate the direct healthcare costs of HER2-positive breast cancer (BC) treatment in Iran and the fraction of total costs from trastuzumab use. Method We performed a retrospective analysis of claims data from the Iran Social Security Organization, a health insurer which covers approximately 50%(~40 million) of the Iranian population, in the period of 21/03/2011-20/03/2014. A data-mining algorithm using R software and validated using patient dossiers in the Cancer Research Center identified 1295 patients and divided them into the three main HER2-positive breast cancer stages (early, loco-regional and advanced). A payer perspective was used to calculate the absolute and relative direct costs of healthcare services associated with the treatment of HER2-positive breast cancer in the public and private healthcare systems. Results The number of women totaled 802 (early), 125 (loco-regional) and 218 (advanced). The mean age[SD] was 45[10], 46[10] and 48[10] years, respectively, while mean follow-up in all stages was approximately one year. Average costs of direct healthcare care in early, locoregional and advanced stages were €11,796 (95%CI: €9,356-€12,498), €8,253 (95%CI: €6,843-€10,002), and €17,742 (95%CI: €15,720-€19,505), respectively. Trastuzumab accounted for the largest share of total costs in all three stages (range: 53–76%). Conclusion Wherever comprehensive patient registries are infeasible or costly, real-world costs can be estimated through claims databases and data-mining strategies. Using this method, realworld costs have been estimated in Iran. The stage-specific cost estimates derived from this study can be used to perform real-world cost-effectiveness analyses of therapies for HER2- positive BC and support healthcare financing decisions.

Objectives This is a new technique for tendon repair that may improve the results of existing methods. Methods The study is a nonrandomized retrospective study using historical (nonconcurrent) controls. From May 1994 to March 2004, 53 children aged 5 to 15 years requiring tendon repair (test group) were compared to 53 children conventionally repaired (control group). All patients had flexor tendon injuries, involving zone 2. In the test group (53 patients), a modified Kessler repairing of tendons with 4-0 prolene was used, followed by a core suture of running 7-0 nylon or prolene epitendinous suture. After the tendon repair, a segment of vein through which the tendon had been passed before or a vein patch used as a tendon sheath substitute was used to repair the sheath defects. The results during 6 months of follow-up were compared with those of the control group that were operated using the conventional technique (modified Kessler method). Results We assessed the results by measuring the range of motion of the metacarpophalangeal, distal interphalangeal, and proximal interphalangeal joints in the follow-up period and graded them as excellent, good, fair, and poor. In the test group, 86% were graded as excellent, 11% good, 3% fair, and 0% poor results; and in the control group, 0% were excellent, 12% good, 38% fair, and 50% poor results. The differences were significant ( P Conclusions Our preliminary results appeared encouraging when compared with the outcomes achieved by the conventional tendon repair technique. As the new technique decreases the need for intensive physiotherapy, it may serve as a substitute method for the conventional tendon repair and eventually become a standard technique in the future.

Background: Carotid body is a highly-specialized organ located at the bifurcation of the common carotid artery and responsible for acute adaptation to hypoxia. The most common disease state of carotid body is its enlargement. Carotid body tumors (CBTs) are infrequent and slow growing tumors that must be considered in lateral neck mass evaluations. Objectives: In this study we aimed to review the clinical characteristics and management of CBTs in Shohadaye Tajrish Center during the last ten years (2002 - 2012). Materials and Methods: This was a retrospective study in which the medical records of patients diagnosed with CBT during the past ten years (from April 1st 2002 to April 1st 2012) were reviewed. The hospital ethics committee approved the extraction of data. For data collection we used a structured questionnaire, designed in six categories: demographic data, life style and predisposing factors, symptoms upon presentation, imaging results, treatment, complications, and follow up. Selected junior residents were responsible for extracting the data from the medical records and fulfilling the forms. Results: Overall, 48 patients with 51 CBTs were included in the study. The CBTs were bilateral in 3 (6.25%) cases. The cardinal presentations of these cervical masses were unanimous in all patients; 6 (12.5%) had symptoms of cranial nerve palsy. All cases had surgeries, while 3 patients with UN resectable tumors regarding massive invasion to CCA, ICA, and ECA, were treated with radiation simultaneously. The follow-up period in surgically resected CBTs did not elucidate any cause for the recurrencies. Conclusions: This study provided clinico-epidemiological data on patients with CBT, which could be useful for prompt diagnosis and appropriate work-up for patients and families with CBTs.

To report a novel technique for arteriovenous fistula (AVF) closure in side-to-side fistulas.One hundred and sixty-two patients with side-to-side AVFs, who were candidates for AVF closure, were randomly divided into two groups: group A (84 patients) who underwent AVF ligature and group B (78 patients) who underwent AVF closure using transvenous endovenorrhaphy technique. Both procedures were conducted by the same surgical team. The patients were followed up for 6 months.Of 124 patients with proximal AVFs, 65 (52%) subjects underwent ligation and 59 (42%) transvenous endovenorrhaphy. Of 38 patients with distal AVFs, half underwent ligation and for the remainder, transvenous endovenorrhaphy was done. Failure of AVF closure was detected in 28 (17%) patients; 25 (89.28%) were in group A and 3 (10.71%) were in group B. All of these recurrences were successfully treated by transvenous endovenorrhaphy technique.We claim that significant lower failure rate of transvenous endovenorrhaphy makes it the technique of choice, especially for side-to-side AVFs.

Thyroid cancer is the most common endocrine system malignancy in the world, being the 7th most common cancer in females, 14th in males and 11th in both sexes in the Iranian population. The present study aimed to determine survival of thyroid cancers in Iran based on sex, age group, pathology and geographical location.The patients selected for this study were 602 out of 5,759 cases listed in the cancer registry system between 2001 and 2005. The Kaplan-Meier method was used for survival estimation and Cox's proportional hazard model for calculating hazard ratios according to demographic and risk variables.The overall 5-year survival rate was 88.0%. There was a significant difference between survivals of the two sexes. The best and worst survival were in the age groups under 40 and over 60 years old, respectively. The best survival was for papillary type, with the anaplastic type demonstrating the worst survival. The best survival was in the southwest (Khuzestan) and the worst in the northwest (Azarbaijan).Size of young population and social determinants may be important effective elements for differences in survival, which should be taken more into consideration in managing chronic disease such as thyroid cancer.

Objective: Parenteral drug injection can cause a wide range of vascular complications, from simple vascular irritation to severe infections, thrombosis and pseudo-aneurysm formation. These latter complications may become limb-or even life-threatening.Patients and methods: This is a retrospective descriptive study of cases admitted to the Shohada Medical Centre, between March 1990 and June 2005.Results: A total of 134 drug addicts presenting with infected femoral artery pseudo-aneurysms were treated. All patients had their femoral arteries ligated. Limbs of all 134 patients were saved.Conclusions: Ligating the femoral artery is an effective way to treat femoral artery pseudo-aneurysm, secondary to drug abuse.