Read by QxMD icon Read

microvascular surgery

Xin Zhang, Hua Zhao, Yinda Tang, Jin Zhu, Xuhui Wang, Shiting Li
OBJECTIVE: To compare the curative effect of reoperation in short-term and percutaneous radiofrequency thermocoagulation (PRT) when trigeminal neuralgia patient after microvascular decompression (MVD) is invalid. METHODS: Follow-up of 54 patients (30 patients with reoperation in the short term, 24 patients with PRT of primitive trigeminal neuralgia) when MVD is invalid between January 2008 and December 2014. To evaluate the degree of pain relief and facial numbness of patients after the treatment in short-term (1 month), in long-term (1 year)...
October 2016: Journal of Craniofacial Surgery
Rosita Zakeri, Gilles Moulay, Qiang Chai, Ozgur Ogut, Saad Hussain, Hiroyuki Takahama, Tong Lu, Xiao-Li Wang, Wolfgang A Linke, Hon-Chi Lee, Margaret M Redfield
BACKGROUND: Left atrial (LA) compliance and contractility influence left ventricular stroke volume. We hypothesized that diminished LA compliance and contractile function occur early during the development of heart failure with preserved ejection fraction (HFpEF) and impair overall cardiac performance. METHODS AND RESULTS: Cardiac magnetic resonance imaging, echocardiography, left ventricular and LA pressure-volume studies, and tissue analyses were performed in a model of early HFpEF (elderly dogs, renal wrap-induced hypertension, exogenous aldosterone; n=9) and young control dogs (sham surgery; n=13)...
October 2016: Circulation. Heart Failure
Pengfei Liu, Wenxiang Zhong, Chenlong Liao, Min Yang, Wenchuan Zhang
Therapeutic strategy is controversial and not yet uniform for patients with trigeminal neuralgia (TN) and persistent or recurrent facial pain after microvascular decompression, percutaneous radiofrequency thermocoagulation (PRT), or Gamma Knife surgery. The outcomes and risks of PRT for these patients are not clearly understood. The authors performed a retrospective study of 84 patients with persistent or recurrent TN after surgery who then underwent PRT between 2007 and 2013. Data were obtained with chart review and telephone interviews...
October 14, 2016: Journal of Craniofacial Surgery
G D L Jorge, R R Tártaro, C A F Escanhoela, I D F S F Boin
BACKGROUND: Biliary complications are important causes of morbidity and mortality in patients undergoing hepatic surgery. The aim of the study was to evaluate late liver alterations after a long period of choledochal clamping in Wistar rats. METHODS: Ten male Wistar rats, weighing 304 grams, anesthetized with sodium thiopental (25 mg/kg) and xylazine (10 mg/kg) intravenously, were distributed into 2 groups: the choledochal clamping group (CCG) and the operation sham group (OSG), with 5 animals each submitted to an abdominal incision...
September 2016: Transplantation Proceedings
Lei Xia, Ming-Xing Liu, Jun Zhong, Ning-Ning Dou, Bin Li, Hui Sun, Shi-Ting Li
Although the microvascular decompression (MVD) surgery has become an effective remedy for cranial nerve rhizopathies, it is still challengeable and may result in a fatal sequel sometimes. Therefore, the operative skill needs to be further highlighted with emphasis on the safety and a preplan for management of postoperative fatal complications should be established. We retrospectively analyzed 6974 cases of MVD. Postoperatively, 46 patients (0.66 %) presented decline in consciousness with a positive finger-nose test (or failure to be tested) after wake up from the anesthesia, whom were focused on in this study...
October 12, 2016: Neurosurgical Review
J Scott Pannell, David R Santiago-Dieppa, Arvin R Wali, Brian R Hirshman, Jeffrey A Steinberg, Vincent J Cheung, David Oveisi, Jon Hallstrom, Alexander A Khalessi
This study establishes performance metrics for angiography and neuroendovascular surgery procedures based on longitudinal improvement in individual trainees with differing levels of training and experience. Over the course of 30 days, five trainees performed 10 diagnostic angiograms, coiled 10 carotid terminus aneurysms in the setting of subarachnoid hemorrhage, and performed 10 left middle cerebral artery embolectomies on a Simbionix Angio Mentor™ simulator. All procedures were nonconsecutive. Total procedure time, fluoroscopy time, contrast dose, heart rate, blood pressures, medications administered, packing densities, the number of coils used, and the number of stent-retriever passes were recorded...
August 29, 2016: Curēus
Eugene Poh Hze-Khoong, Li-Qun Xu, Xue-Lai Yin, Shu-Kun Shen
PURPOSE: Drawbacks of the conventional supraclavicular overlay of the pectoralis major myocutaneous flap (PMMF) include the resultant unesthetic cervical bulge and the limited cephalad extension that limits its use to mandibular or cervical defects. This study discusses the technique and comparative advantages of a more esthetic subclavicular route through the clavipectoral fascia that allows an increased arc of rotation to reconstruct orofacial defects. MATERIALS AND METHODS: Patients with orofacial defects that were reconstructed with a PMMF through the modified subclavicular route were included in this retrospective cohort study, which aimed to compare the gain in extension accorded through the modified subclavicular tunnel over an initial conventional supraclavicular overlay...
September 14, 2016: Journal of Oral and Maxillofacial Surgery
Nuria Vilarrasa, Miguel Angel Rubio, Inka Miñambres, Lillian Flores, Assumpta Caixàs, Andrea Ciudin, Marta Bueno, Pedro Pablo García-Luna, María D Ballesteros-Pomar, Marisol Ruiz-Adana, Albert Lecube
BACKGROUND: This study aims to describe the long-term outcomes of bariatric surgery in a cohort of patients with type 1 diabetes (T1DM). METHODS: Thirty-two patients with T1DM and initial BMI of 41.3 ± 4.8 kg/m(2) were studied, 18.7 % undergoing duodenal switch (DS), 34.4 % gastric bypass, and 46.9 % sleeve gastrectomy and followed-up after surgery for 4.6 ± 2.6 years. Changes in BMI, HbA1c, insulin requirements, evolution of comorbidities, and microvascular complications were registered annually after surgery...
October 5, 2016: Obesity Surgery
Hala El Rami, Rasha Barham, Jennifer K Sun, Paolo S Silva
Diabetic retinopathy (DR) is the most frequent microvascular complication from diabetes and requires annual screening and at least annual follow-up. A systemic approach to optimize blood glucose and blood pressure may halt progression to severe stages of DR and obviate the need for ocular treatment. Although there is evidence of benefit from fenofibrate or intravitreous antiVEGF treatment for eyes with nonproliferative DR (NPDR), these therapies are not standard care for NPDR at this time. Some patients with severe NPDR, especially those with type 2 diabetes, benefit from early panretinal photocoagulation (PRP)...
October 4, 2016: Seminars in Ophthalmology
David R Busch, Craig G Rusin, Wanda Miller-Hance, Kathy Kibler, Wesley B Baker, Jeffrey S Heinle, Charles D Fraser, Arjun G Yodh, Daniel J Licht, Kenneth M Brady
While survival of children with complex congenital heart defects has improved in recent years, roughly half suffer neurological deficits suspected to be related to cerebral ischemia. Here we report the first demonstration of optical diffuse correlation spectroscopy (DCS) for continuous and non-invasive monitoring of cerebral microvascular blood flow during complex human neonatal or cardiac surgery. Comparison between DCS and Doppler ultrasound flow measurements during deep hypothermia, circulatory arrest, and rewarming were in good agreement...
September 1, 2016: Biomedical Optics Express
Anthonius F J de Bruin, Arthur Tavy, Koene van der Sloot, Anke Smits, Bert Van Ramshorst, Christiaan E Boerma, Peter Kars, Peter G Noordzij, Djamila Boerma, Mat van Iterson
AIM: To investigate whether an image acquisition stabilizer (IAS) mounted on the sidestream dark field camera (SDF) during gastrointestinal surgery improves image stability and acquisition. METHODS: Serosal SDF imaging was compared with SDF imaging combined with an IAS (SDF + IAS) during gastrointestinal surgery. Stability was assessed as the image drift in pixels and the time to obtain stable images. The success rate was determined as the percentage of analyzable images after recording...
October 4, 2016: Journal of Vascular Research
Kun Hwang, Jin Pyo Lee, Si Yoon Yoo, Hun Kim
The aim of this study was to determine the relationships between free flap complications and old age or comorbidities. In a PubMed and Scopus search, the search terms (1) free flap OR microvascular anastomosis AND (2) elderly OR old age AND (3) complications OR comorbidity OR co-morbidity were used. Among the 62 full-text articles from 241 abstracts, 31 papers without sufficient content were excluded and 10 mined papers were added. Subsequently, 41 papers were reviewed. Overall complication rates of free flap increased significantly with age (p < 0...
September 9, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
Christian Mertens, Christian Freudlsperger, Jens Bodem, Michael Engel, Jürgen Hoffmann, Kolja Freier
BACKGROUND: Treatment of post-resective defects of the maxilla can be challenging and usually requires dental obturation or microvascular reconstruction. As compared to soft-tissue microvascular grafts, bone reconstruction can additionally allow for facial support and retention of dental implants. The aim of this study was to evaluate scapular tip grafts with respect to their applicability for maxillary reconstruction and their potential to retain dental implants for later dental rehabilitation...
August 25, 2016: Journal of Cranio-maxillo-facial Surgery
Keishi Kohyama, Ikuo Hyodo, Yasuhisa Hasegawa, Nobukazu Fuwa, Hisakazu Kato
OBJECTIVE: This study aims at selecting recipient vessels for free flap following intra-arterial chemoradiotherapy. At present, many centers combine intra-arterial chemotherapy and concomitant radiotherapy for treating head and neck cancer with favorable results. However, some patients develop recurrent, residual disease/complications after completing treatment protocols and thus require free-flap surgery. The feasibility of microsurgery following intra-arterial chemoradiotherapy remains unclear...
September 8, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
Federico Franchi, Xiang Yang Zhu, Tyra A Witt, Lilach O Lerman, Martin Rodriguez-Porcel
The renal microvascular compartment plays an important role in the progression of kidney disease and hypertension, leading to the development of End Stage Renal Disease with high risk of death for cardiovascular events. Moreover, recent clinical studies have shown that renovascular structure and function may have a great impact on functional renal recovery after surgery. Here, we describe a protocol for the delivery of drugs into the renal artery of rats. This procedure offers significant advantages over the frequently used systemic administration as it may allow a more localized therapeutic effect...
2016: Journal of Visualized Experiments: JoVE
Jingzhi Yang, Juliane C Finke, Juncong Yang, Andrew J Percy, Uwe von Fritschen, Christoph H Borchers, Michael O Glocker
Although great success of microvascular free-flap transplantation surgery has been achieved in recent years, between 1.5% and 15% of flaps are still lost due to vascular occlusion. The clinical challenge remains to salvage a transplant in the case of vascular complications. Since flap loss is devastating for the patient, it is of utmost importance to detect signs of complications or of conspicuities as soon as possible. Rescue success rates highly depend on early revision. In this study, we collected blood samples during transplantation surgery from either the contributory artery or the effluent vein of the flap and applied a targeted mass spectrometry-based approach to quantify 24 acute phase proteins, cytokines, and growth factors in 63 plasma samples from 21 hospitalized patients, generating a dataset with 9450 protein concentration values...
September 2016: Medicine (Baltimore)
Andreas Fuchs, Stefan Hartmann, Karen Ernestus, Grit Mutzbauer, Christian Linz, Roman C Brands, Alexander C Kübler, Urs D A Müller-Richter
BACKGROUND: Mandibular pseudocarcinomatous hyperplasia is a rare and generally benign pathology. We report on one of these rare cases. CASE PRESENTATION: The case history of a 73-year-old white man stated that he had a carcinoma of the oropharynx, which was primarily treated with radiotherapy and chemotherapy 4 years prior. As a result of radiotherapy he developed an osteoradionecrosis of his mandible and a consecutive pathological fracture of his left mandibular angle...
September 29, 2016: Journal of Medical Case Reports
Youn Joung Cho, Jungil Bae, Tae Kyong Kim, Deok Man Hong, Jeong-Hwa Seo, Jae-Hyon Bahk, Yunseok Jeon
General anesthesia can affect microcirculatory properties. However, differential effects on the microcirculation according to the anesthetic technique used during thoracoscopic surgery have not been well documented. We conducted a randomized clinical trial in which the effects of desflurane and propofol, both with remifentanil, on systemic arterial oxygenation during one-lung ventilation were compared in patients undergoing thoracoscopic surgery. As a subgroup analysis, we compared the effects of two commonly used anesthetic techniques, desflurane-remifentanil (n = 52) and propofol-remifentanil (n = 48), on tissue oxygen saturation using a vascular occlusion test in patients undergoing thoracoscopic surgery...
September 26, 2016: Journal of Clinical Monitoring and Computing
T K Kim, K Nam, Y J Cho, J J Min, Y J Hong, K U Park, D M Hong, Y Jeon
The infusion of fluids to patients may affect tissue microcirculation and the endothelial glycocalyx. However, the effects of hydroxyethyl starch and crystalloid on endothelial glycocalyx degradation and microvascular reactivity have not been evaluated in detail. We hypothesised that hydroxyethyl starch may cause less endothelial glycocalyx degradation and better microvascular reactivity than that caused by crystalloid. We randomly allocated 120 patients undergoing off-pump coronary artery bypass graft surgery to receive up to 20 ml...
September 26, 2016: Anaesthesia
Christian Mertens, Jose de San Jose Gonzalez, Christian Freudlsperger, Jens Bodem, Johannes Krisam, Jürgen Hoffmann, Michael Engel
BACKGROUND: Patients with hemimaxillectomy defects after tumor surgery can alternatively be rehabilitated with dental obturators or microvascular flaps. When general medical or oncologic conditions do not permit microvascular surgery, dental obturators are the only solution, yet retention for edentulous patients is often poor. The aim of this study was to evaluate whether CAD/CAM suprastructures supported by implants placed in both residual alveolar ridges and contralateral zygomatic bone could enhance obturator stability and improve functional outcomes...
August 24, 2016: Journal of Cranio-maxillo-facial Surgery
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"