Object Endoscopic third ventriculostomy (ETV) is an alternative to shunt placement in children with hydrocephalus due to tectal plate gliomas (TPGs). However, controversy remains regarding the amount of ventricular size reduction that should be expected after ETV. This study investigates ventricular size change after ETV for TPGs. Methods Twenty-two children ...

In a double-blinded randomised controlled trial, 83 patients with primary osteoarthritis of the hip received either a ceramic-on-metal (CoM) or metal-on-metal (MoM) total hip replacement (THR). The implants differed only in the bearing surfaces used. The serum levels of cobalt and chromium and functional outcome scores were compared pre-operatively and ...

To compare the effectiveness and safety of 2 anterior transobturator mesh methods for treating anterior vaginal wall prolapse. Randomized controlled study (Canadian Task Force classification I). University hospital. Eighty-seven women with anterior vaginal wall prolapse stage ≥2 (Pelvic Organ Prolapse Quantification [POP-Q]) underwent an anterior transobturator mesh procedure using macropore ...

The ceramic-on-ceramic bearing surface has high wear resistance and good biocompatibility in total hip arthroplasty (THA). However, the postoperative noise problem has been an important issue. The purpose of this retrospective study was to determine the incidence and risk factors of bearing surface-related noises in patients with third-generation ceramic-on-ceramic THAs. ...

Objective. To determine the reliability of transthoracic echocardiography (TTE) and transesophageal echocardiography (TEE) in predicting the size of an atrial septal defect (ASD). Material and methods. The study included 16 patients who underwent the catheter-based procedures to close an atrial septal defect between February 2008 and December 2011 at the ...

SUMMARY:: The ideal technique to repair large hiatal and diaphragmatic defects remains controversial. Due to high recurrence rates with primary repair alone, attempts at crural reinforcement with various products has been investigated. Initial evaluation of synthetic mesh at the hiatus in retrospective studies led to the conclusion that there were ...

BACKGROUND: The long-term results after second generation everolimus eluting bioresorbable vascular scaffold (Absorb BVS) placement in small vessels are unknown. Therefore, we investigated the impact of vessel size on long-term outcomes, after Absorb BVS implantation. METHODS: In ABSORB Cohort B Trial, out of the total study population (101 patients), 45 ...

Epidermal sheets spread centrifugally postinjury from the hair follicle infundibulum to reepithelialize the wound bed. Healing progresses faster in skin areas rich in terminal hair follicles. These observations are consistent with the role of the hair follicle as a major reservoir for progenitor cells. To evaluate the feasibility and potential ...

Purpose. The aim of the study was to compare the clinical outcomes of a 1.8 mm, 2.2 mm, and 2.75 mm microcoaxial cataract surgery system.
Methods. In this retrospective study, 129 eyes of 129 patients were included. Patients underwent phacoemulsification using a Stellaris system or an Infiniti system. The incision size ...

Purpose: To evaluate the interobserver variability for US assessments of thyroid nodules and analyze the diagnostic performances of US assessments in thyroid nodules according to nodule size.Materials and Methods: This was an IRB-approved retrospective study with waiver of informed consent. A total of 400 surgically-confirmed thyroid nodules were included. Nodules ...

BACKGROUND:: Arteriovenous malformation (AVM) treatment is multidisciplinary, and the patient may undergo embolization, neurosurgery, or radio-surgery combined. Great improvement in endovascular techniques was provided by the introduction of Onyx with different kinds of approach. OBJECTIVE:: To evaluate the efficacy and the safety of Onyx embolization of brain AVMs with the ...

ABSTRACT: BACKGROUND: Cervical dilation using mechanical dilators is associated with various complications, such as uterine perforation, cervical laceration, infections and intraperitoneal hemorrhage. To achieve safe and painless cervical dilation, we constructed a new medical device to achieve confident mechanical cervical dilation: a continuous controllable balloon dilator (CCBD). METHODS: Controlled pumping ...

BACKGROUND: Balloon assisted maturation (BAM) is a recent, innovative, yet controversial method for developing autogenous arterio-venous fistulae (AVF), with little supportive data. Few retrospective studies have addressed the efficacy of BAM and cofactors affecting successful maturation. We conducted a retrospective analysis of our vascular access database to compare possible factors ...

Object The object of this study was to assess outcomes in patients with arteriovenous malformations (AVMs) treated by Gamma Knife stereotactic radiosurgery (SRS); lesions were stratified by size, symptomatology, and Spetzler-Martin (S-M) grade. Methods The authors performed a retrospective analysis of 102 patients treated for an AVM with single-dose or ...

PURPOSE: To explore the relationships between nephrostomy tube (NT) size and outcome of percutaneous nephrolithotomy (PCNL). METHODS: The Clinical Research Office of the Endourological Society (CROES) prospectively collected data from consecutive patients treated with PCNL over a 1-year period at 96 participating centers worldwide. This report focuses on the 3,968 ...

BACKGROUND & AIMS: Limited endoscopic sphincterotomy with large balloon dilation (ESBD) is an alternative to ES for removing bile duct stones, but it is not clear which procedure is most effective. We compared the 2 techniques in removal of bile duct stones. METHODS: Between September 2005 and 2011, 156 consecutive ...

PURPOSE: To evaluate the effects of particle size and course of action of superselective bland transcatheter arterial embolization (TAE) on the efficacy of radiofrequency ablation (RFA). METHODS: Twenty pigs were divided into five groups: group 1a, 40-μm bland TAE before RFA; group 1b, 40-μm bland TAE after RFA; group 2a, ...

BACKGROUND: Highly crosslinked polyethylene (HXLPE) in THA was developed to reduce particle-induced periprosthetic osteolysis. A series of clinical studies were initiated to determine the clinical efficacy as judged by patient-reported scores, radiographic osteolysis, and wear analysis of one form of HXLPE. QUESTIONS/PURPOSES: The purposes of this series of studies were ...

Abstract Background: The current laparoscopic splenectomy (LS) procedure used for cirrhotic patients still has limitations. The aim of our study was to determine a standard according to the splenic size for hand-assisted LS (HALS) in patients with splenomegaly and hypersplenism due to cirrhosis. Patients and Methods: We conducted a retrospectively ...

The primary aim of this retrospective study was to determine the medium-term survival of autologous osteochondral grafts (mosaicplasty) in the knee. The secondary aims were to evaluate any reason for failure, and to ascertain if age, gender, BMI, previous or associated knee surgery, site or size of the osteochondral graft ...

The objective of the study was to study postoperative progress of modified extraperitoneal Caesarean section (MECS) technique (group A) and its comparison with standard transperitoneal Caesarean section (TCS) (group B). It is a prospective observational study with sample sizes of 93 and 105 for groups A and B, respectively, in ...

Introduction: A new and simple technique for eliminating residual leaks during mitral annuloplasty, called microsizing, is described.Methods: Microsizing is performed by moving one or more annuloplasty sutures from the outside to the inside of the prosthetic ring. This maneuver advances discrete segments of the annulus toward the opposing leaflet by ...

The purpose of this study was to evaluate the influence of the size of buccal corridors on the assessment of attractive smile esthetics by Japanese and Korean orthodontists and orthodontic patients. Buccal corridors were modified digitally from 0% to 25% compared with the inner intercommissural width. Using a visual analog ...

Objective: To determine the effect of aortic prosthesis size on clinical outcome of patients undergoing double cardiac valve replacement (DVR). Study Design: A quasi-experimental study. Place and Duration of Study: Cardiac Surgery Department, Punjab Institute of Cardiology, Lahore, Pakistan, from February 1996 to December 2008. Methodology: One hundred and forty ...

To evaluate the clinical and functional results of autologous trapezoidal plug single-block grafts fixed with absorbable chondral darts in patients with osteochondral knee lesions of varying sizes. Twenty-five patients underwent surgery from February 2000 to June 2008. Seventy-two percent of the patients were male, and the mean age was 29 ...

OBJECTIVE: To analyze the relation between vitamin D insufficiency and wound healing in patients with venous ulcers; to correlate vitamin D insufficiency with characteristics of the ulcer (size and pain) and to evaluate if reposition of vitamin D in these subjects expedites ulcer healing. METHODS: We selected 26 patients with ...

The newest variation of i-gel is its pediatric version. This novel supraglottic airway device has the added advantage of a drain tube. In this study, we compared the effectiveness of size 2.5 i-gel with size 2.5 ProSeal LMA. This study was designed to investigate the usefulness of the size 2.5 ...

HATCH score is an established predictor of progression from paroxysmal to persistent atrial fibrillation (AF). The purpose of this study was to determine if HATCH score could predict recurrence after catheter ablation of AF. The data of 488 consecutive paroxysmal AF patients who underwent an index circumferential pulmonary veins (PV) ...

The current study aims to identify demographic, clinical characteristics, echocardiographic and/or mitral valve morphological parameters that may predict the successful result of percutaneous transvenous mitral commissurotomy (PTMC).  The medical records of 196 patients (48 males, mean age: 42.7 ± 11.5 years) who underwent PTMC were reviewed. Prior to PTMC, a ...

ABSTRACT:: We investigated effects of ring size choosing strategy for Shang Ring male circumcision. 74 cases were recruited and assigned into the larger or smaller ring group. Compared to the larger ring group, there was shorter operation time (7.5±1.9 vs.6.7±1.4 min, P =0.035), and less blood loss (1.6±0.7 vs. 1.1±0.8 ...

ABSTRACT: BACKGROUND: Bioimpedance analysis (BIA) has been reported as helpful in identifying hypervolemia. Observation data showed that hypervolemic maintenance hemodialysis (MHD) patients identified using BIA methods have higher mortality risk. However, it is not known if BIA-guided fluid management can improve MHD patients' survival. The objectives of the BOCOMO study ...

BACKGROUND: Post-operative sore throat (POST) has increasingly been a common clinical complication particularly in thyroid surgery. We conducted a trial to evaluate the effect of non-pharmacological [smaller-sized endotracheal tube (ETT)] combined with pharmacological intervention [lidocaine intravenous (i.v.)] on POST in women undergoing thyroid surgery. METHODS: Two hundred and forty patients ...

Object Overdrainage of CSF remains an unsolved problem in shunt therapy. The aim of the present study was to evaluate treatment options on overdrainage-related events enabled by the new generation of adjustable gravity-assisted valves. Methods The authors retrospectively studied the clinical course of 250 consecutive adult patients with various etiologies ...

BACKGROUND:: Residual paralysis is common after general anesthesia involving administration of neuromuscular blocking drugs (NMBDs). Management of NMBDs and reversal is frequently guided by train-of-four (TOF) monitoring. We hypothesized that monitoring of eye muscles is associated with more frequent residual paralysis than monitoring at the adductor pollicis. METHODS:: This prospective ...

OBJECTIVE: To demonstrate the effect of the size of the resultant tunical defect after plaque excision on postoperative erectile function of patients with Peyronie's disease. METHODS: The results of 38 patients with plaque excision and dermal grafting were reviewed from April 2007 to June 2011. History, physical examination, self-shot photograph, ...

The purpose of this prospective clinical trial was to evaluate the success rate of our newly developed surgical technique for fat graft myringoplasty (FGM). We also aimed to assess the correlations between the size of perforations and closure rates, as well as the results of re-gained hearing in successful cases ...

Purpose: We present our initial experience with microperc in patients with moderate size renal calculi. Methods: A retrospective analysis of 30 patients (male: 14, female: 16) with moderate-sized (1-3 cm) kidney stones who underwent microperc between August 2011 and July 2012 was performed. The demographic values, peri-operative and postoperative measures ...

The Ross operation is a complex procedure for aortic-valve replacement in which the pulmonary autograft is replaced by a homograft. However, homograft availability is becoming limited. This report evaluates the performance of porcine stentless-prostheses as an alternative pulmonary substitute. Echocardiographic results of two patient cohorts were compared at time of ...

BACKGROUND: Patient-specific instrumentation potentially improves surgical precision and decreases operative time in total knee arthroplasty (TKA) but there is little supporting data to confirm this presumption. QUESTIONS/PURPOSES: We asked whether patient-specific instrumentation would require infrequent intraoperative changes to replicate a single surgeon's preferences during TKA and whether patient-specific instrumentation guides ...

This study sought to investigate pulsatile changes of the aortic annulus and their impact on prosthesis selection by computed tomography (CT). Precise noninvasive prosthesis sizing is a prerequisite for transcatheter aortic valve replacement. A total of 110 patients with severe aortic stenosis (mean age: 82.9 ± 8 years, mean aortic ...

Paralysis of quadriceps muscle leads to severe disability as the knee is unstable and cannot be fully extended and locked in extension, which results in giving way of the knee joint. Because of this, the patient tries to get stability of the knee by various means like hand to knee ...

The higher failure rate of total hip arthroplasty (THA) in young, active patients remains a challenge for surgeons. Recently, larger-diameter femoral heads combined with an alumina matrix composite ceramic (BIOLOX Delta; CeramTec AG, Plochingen, Germany) articulation was developed to improve implant longevity and meet patients' activity demands while reducing the ...

In aortic valve surgery, the management of ascending aortic dilatation is not clearly defined. Guidelines recommend replacement at diameters of 50 mm, but the handling of borderline dilatation has not been detailed. Reduction aortoplasty has been proposed as a less invasive and safe option in the case of a smaller ...

Despite many claims of good wear properties following total knee replacement (TKR) with an oxidised zirconium (OxZr) femoral component, there are conflicting clinical results. We hypothesised that there would be no difference in either the mid-term clinical and radiological outcomes or the characteristics of the polyethylene wear particles (weight, size ...

BACKGROUND: Percutaneous pulmonary valve implantation (PPVI) was introduced in 2000 as an interventional procedure for the treatment of right ventricular outflow tract (RVOT) dysfunction. The new Edwards SAPIEN(™) pulmonic valve has reached CE certification at the end of 2010 thus offering an attractive alternative with extended sizes (23 and 26 mm) ...

To evaluate the safety and efficiency of the Aihua (AH)-1 stone removal system (SRS) to treat bladder stones. Thirty five patients with of bladder stones >2 cm and with benign prostatic hyperplasia were treated by transurethral cystolithotripsy with the SRS and TURP. The results in these patients were compared with 14 ...

BACKGROUND:: Radiosurgery as a potential treatment modality for brain arteriovenous malformations (AVM) has 60-90% obliteration rates. OBJECTIVE:: To test whether AVM angioarchitecture determines obliteration rate following radiosurgery. METHODS:: Retrospective analysis of 139 patients with AVM who underwent radiosurgery. Multiple angioarchitectural characteristics were reviewed on conventional angiogram on the day of ...

Pre-cordial thump (PT) relies on cardiac mechano-electric transduction to transform mechanically-delivered energy into an electrophysiologically relevant stimulus. Its use for emergency resuscitation has declined recent years, amidst concerns about effectiveness and side-effects. In addition, there is insufficient knowledge about bio-mechanical properties and mechanisms of PT. Using a PT-mechanics recorder, we ...

This study characterizes the recovery patterns of motor impairment after stroke, and uses neuromuscular measures of the elbow joint at 1 month after the event to predict the ensuing recovery patterns over 12 months. Motor impairment was assessed using the Fugl-Meyer Assessment (FMA) of the upper extremity at various intervals ...

We aimed to analyze the changes in kidney function during the postoperative early period caused by the application of percutaneous nephrolithotomy (PNL), which is commonly used in kidney stone surgery. PNL was performed in 80 patients (48 men, 32 women) with kidney stones. The mean age of the patients was ...