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https://www.readbyqxmd.com/read/29149623/the-effect-of-surgical-approach-on-gait-mechanics-after-total-hip-arthroplasty
#1
Joseph Zeni, Kathleen Madara, Hunter Witmer, Riley Gerhardt, James Rubano
BACKGROUND: Few studies have compared the biomechanical outcomes of different surgical approaches for hip arthroplasty. The purpose of this study was to compare hip, pelvic, and trunk kinematics and kinetics between individuals who underwent a posterior or anterolateral approach. METHODS: Forty-five individuals between 40 and 80 years old underwent motion analysis during overground gait prior to hip arthroplasty and 3 months after surgery. Walking speed, hip flexion angle, hip extension angle, adduction angle and moment, trunk angle, trunk lean, and pelvis drop were compared between approaches...
November 10, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/29126072/an-unusual-case-of-giant-ileal-diverticulum-a-case-report
#2
Fang Ju Koh, Jen Lock Khor, Min Hoe Chew
Small bowel diverticulosis is rare with an incidence of 1-2% in the general population. It is an uncommon cause of gastrointestinal bleeding that ranges from obscure to overt bleeding. Large ileal diverticula are extremely rare and bleeding complications can result in high overall mortality. A young gentleman presented with persistent per-rectal bleeding and drop in hemoglobin level. He was recently diagnosed with acute myeloid leukemia and was undergoing chemotherapy. A computed tomography scan of the abdomen and pelvis revealed a giant ileal diverticulum...
November 6, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28920556/the-effects-of-limb-dominance-and-a-short-term-high-intensity-exercise-protocol-on-both-landings-of-the-vertical-drop-jump-implications-for-the-vertical-drop-jump-as-a-screening-tool
#3
Enda F Whyte, Patrick Kennelly, Oliver Milton, Chris Richter, Siobhán O'Connor, Kieran A Moran
The effectiveness of vertical drop jumps (VDJs) to screen for non-contact ACL injuries is unclear. This may be contributed to by discrete point analysis, which does not evaluate patterns of movement. Also, limited research exists on the second landing of VDJs, potential lower limb performance asymmetries and the effect of fatigue. Statistical parametric mapping investigated the main effects of landing, limb dominance and a high intensity, intermittent exercise protocol (HIIP) on VDJ biomechanics. Twenty-two male athletes (21...
September 18, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28753685/effects-of-lumbar-spine-assemblies-and-body-borne-equipment-mass-on-anthropomorphic-test-device-responses-during-drop-tests
#4
Daniel Aggromito, Mark Jaffrey, Allen Chhor, Bernard Chen, Wenyi Yan
When simulating or conducting land mine blast tests on armored vehicles to assess potential occupant injury, the preference is to use the Hybrid III anthropomorphic test device (ATD). In land blast events, neither the effect of body-borne equipment (BBE) on the ATD response nor the dynamic response index (DRI) is well understood. An experimental study was carried out using a drop tower test rig, with a rigid seat mounted on a carriage table undergoing average accelerations of 161 g and 232 g over 3 ms. A key aspect of the work looked at the various lumbar spine assemblies available for a Hybrid III ATD...
October 1, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28733200/hypothermic-cooling-measured-by-thermal-magnetic-resonance-imaging-feasibility-and-implications-for-virtual-imaging-in-the-urogenital-pelvis
#5
Douglas Skarecky, Hon Yu, Jennifer Linehan, Blanca Morales, Min-Ying Su, Peter Fwu, Thomas Ahlering
OBJECTIVE: To study the combination of thermal magnetic resonance imaging (MRI) and novel hypothermic cooling, via an endorectal cooling balloon (ECB), to assess the effective dispersion and temperature drop in pelvic tissue to potentially reduce inflammatory cascade in surgical applications. METHODS: Three male subjects, before undergoing robot-assisted radical prostatectomy, were cooled via an ECB, rendered MRI compatible for patient safety before ECB hypothermia...
July 18, 2017: Urology
https://www.readbyqxmd.com/read/28717541/is-standard-percutaneous-nephrolithotomy-still-the-standard-treatment-modality-for-renal-stones-less-than-three-centimeters
#6
Ömer Sarılar, Faruk Özgör, Onur Küçüktopçu, Burak Uçpınar, Mehmet Fatih Akbulut, Metin Savun, Zafer Gökhan Gürbüz, Murat Binbay
OBJECTIVE: The aim of study was to compare the efficiency and safety of standard percutaneous nephrolithotomy (sPNL) and miniaturized percutaneous nephrolithotomy (mPNL) in lower calyx and/or pelvic stones smaller than three centimeters. MATERIAL AND METHODS: From October 2010 to August 2015, 108 mPNL and 176 sPNL procedures were performed for renal stones smaller than three cm and located in the lower calyx and/or renal pelvis. All patients were evaluated preoperatively with intravenous pyelography and/or computed tomography...
June 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28717540/totally-tubeless-percutaneous-nephrolithotomy-is-feasible-in-morbidly-obese-patients
#7
Seyed Mohammad Kazem Aghamir, Mohammad Ghasem Mohseni, Seyed Reza Hosseini, Alborz Salavati, Hossein Ganjali, Mohammad Ali Fallah, Hamed Rezaei, Seyed Saeed Modaresi
OBJECTIVE: Regarding technical difficulties that obese body habitus might impose to percutaneous nephrolithotomy (PNL) success and higher risk of peri-operative complications in this group of patients, we decided to retrospectively gather data from our patients during past 8 years to determine the stone free and complication rates. MATERIAL AND METHODS: Between January 2007-December 2015, seventy-eight obese patients with body mass index over 35 who had indication for PNL including stones larger than 2 cm in pelvi-calyceal system or smaller extracorporeal shock wave lithotripsy (ESWL) resistant stones or who were not a fit candidate for ESWL due to increased skin to target distance, with no contraindication of PNL (including bleeding diathesis, inability to be positioned in prone) were enrolled...
June 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28634833/a-case-of-renal-dysfunction-caused-by-pelvic-organ-prolapse
#8
Ai Miyagi, Yusuke Inaguma, Tomoaki Tokoyoda, Takashi Nakajima, Ryozo Sezaki, Tetsuya Matsukawa
Pelvic organ prolapse (POP) is the descent of pelvic organs through the vagina, and sometimes causes hydronephrosis. Although the association between POP and hydronephrosis has long been recognized, severe hydronephrosis and renal dysfunction are rarely seen. We report a case of 66-year-old woman who had a vaginal delivery presented with externalized uterine and bladder prolapse during the previous 2 years. She had a 3-day history of hypophagia and vomiting, and laboratory analysis resulted in serum creatinine of 5...
June 20, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28601994/radiologic-features-of-dropped-head-syndrome-in-the-overall-sagittal-alignment-of-the-spine
#9
Kazuki Hashimoto, Hiroshi Miyamoto, Terumasa Ikeda, Masao Akagi
PURPOSE: Dropped head syndrome (DHS) is a rare clinical entity which is defined as a chin-on-chest deformity in the standing or sitting position, resulting from sagittal imbalance of the cervical region. The purpose of the present study was to clarify the radiologic features of DHS in the overall sagittal alignment of the spine. We also investigated the changes in sagittal alignment after correction surgery for DHS. METHODS: Twenty DHS patients [1 male and 19 female, with an average age of 78...
June 10, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28514698/clinical-outcomes-and-frontal-plane-two-dimensional-biomechanics-during-the-30-second-single-leg-stance-test-in-patients-before-and-after-hip-abductor-tendon-reconstructive-surgery
#10
Rose E Huxtable, Timothy R Ackland, Gregory C Janes, Jay R Ebert
BACKGROUND: Hip abductor tendon tears are a common cause of Greater Trochanteric Pain Syndrome. Conservative treatments are often ineffective and surgical reconstruction may be recommended. This study investigated the improvement in clinical outcomes and frontal plane two-dimensional biomechanics during a 30-second single leg stance test, in patients undergoing reconstruction. We hypothesized that clinical scores and pertinent biomechanical variables would significantly improve post-surgery, and these outcomes would be significantly correlated...
May 10, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28283026/preventing-recurrence-of-endometriosis-by-means-of-long-acting-progestogen-therapy-pre-empt-report-of-an-internal-pilot-multi-arm-randomised-controlled-trial-incorporating-flexible-entry-design-and-adaption-of-design-based-on-feasibility-of-recruitment
#11
Lee J Middleton, Jane P Daniels, Annalise Weckesser, Siladitya Bhattacharya
BACKGROUND: Endometriosis is associated with the growth of endometrium in ectopic sites mainly within the pelvis. This results in inflammation and scarring, causing pain and impaired quality of life. Endometriotic lesions can be excised or ablated surgically, but the risk of recurrence is high. A Heath Technology Assessment commissioning call in 2011 sought applications for trials aimed at evaluating long-term effectiveness of postoperative, long-acting, reversible contraceptives (LARCs) in preventing recurrence of endometriosis...
March 11, 2017: Trials
https://www.readbyqxmd.com/read/28209597/athletic-groin-pain-part-2-a-prospective-cohort-study-on-the-biomechanical-evaluation-of-change-of-direction-identifies-three-clusters-of-movement-patterns
#12
A Franklyn-Miller, C Richter, E King, S Gore, K Moran, S Strike, E C Falvey
BACKGROUND: Athletic groin pain (AGP) is prevalent in sports involving repeated accelerations, decelerations, kicking and change-of-direction movements. Clinical and radiological examinations lack the ability to assess pathomechanics of AGP, but three-dimensional biomechanical movement analysis may be an important innovation. AIM: The primary aim was to describe and analyse movements used by patients with AGP during a maximum effort change-of-direction task. The secondary aim was to determine if specific anatomical diagnoses were related to a distinct movement strategy...
March 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28148671/is-computer-navigation-when-used-in-the-surgery-of-iliosacral-pelvic-bone-tumours-safer-for-the-patient
#13
COMPARATIVE STUDY
M K Laitinen, M C Parry, J I Albergo, R J Grimer, L M Jeys
AIMS: Due to the complex anatomy of the pelvis, limb-sparing resections of pelvic tumours achieving adequate surgical margins, can often be difficult. The advent of computer navigation has improved the precision of resection of these lesions, though there is little evidence comparing resection with or without the assistance of navigation. Our aim was to evaluate the efficacy of navigation-assisted surgery for the resection of pelvic bone tumours involving the posterior ilium and sacrum...
February 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28011889/rare-case-of-losartan-induced-cough-complicated-by-rectus-sheath-haematoma-in-a-patient-on-rivaroxaban-therapy
#14
Goutham Talari, Preetham Talari, Joseph Sweigart, Sadiq Ahmed
Spontaneous rectus sheath haematomas and cough secondary to losartan are individually rare conditions. Abdominal wall haematomas present with abdominal pain and abdominal mass. Most patients are managed conservatively; Surgery or embolisation is indicated for shock, infection, rupture into the peritoneum or intractable pain. This is a man aged 65 years presented with dry cough and right-sided abdominal pain. He started losartan a few weeks prior to the onset of cough and had been on rivaroxaban for prior deep venous thrombosis...
December 23, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27918704/comparison-of-3d-joint-angles-measured-with-the-kinect-2-0-skeletal-tracker-versus-a-marker-based-motion-capture-system
#15
COMPARATIVE STUDY
Trent M Guess, Swithin Razu, Amirhossein Jahandar, Marjorie Skubic, Zhiyu Huo
The Microsoft Kinect is becoming a widely used tool for inexpensive, portable measurement of human motion, with the potential to support clinical assessments of performance and function. In this study, the relative osteokinematic Cardan joint angles of the hip and knee were calculated using the Kinect 2.0 skeletal tracker. The pelvis segments of the default skeletal model were reoriented and 3-dimensional joint angles were compared with a marker-based system during a drop vertical jump and a hip abduction motion...
April 2017: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/27869481/papillary-vs-nonpapillary-puncture-in-percutaneous-nephrolithotomy-a-prospective-randomized-trial
#16
RANDOMIZED CONTROLLED TRIAL
Panagiotis Kallidonis, Iason Kyriazis, Dimitrios Kotsiris, Adamantia Koutava, Wissam Kamal, Evangelos Liatsikos
INTRODUCTION: Literature suggests that the percutaneous punctures for percutaneous nephrolithotomy (PCNL) must be performed at the papilla of the renal calix and a puncture at the infundibulum or the direction of the pelvis is not advisable because of increased hemorrhagic risk. A prospective randomized study was conducted to investigate the safety in terms of blood loss of the infundibular approach for PCNL. MATERIALS AND METHODS: Patients with renal stones with an accumulative size of at least 2 cm were randomly assigned to one of two parallel groups to undergo PCNL with either papillary (Group 1) or infundibular (Group 2) renal access...
April 2017: Journal of Endourology
https://www.readbyqxmd.com/read/27761185/fishbone-perforated-appendicitis
#17
Joey Chan Yiing Beh, Anandswaroop Srinivas Uppaluri, Beatrice Fang Ju Koh, Peng-Chung Cheow
Ingested foreign bodies tend to pass through the gastrointestinal tract without incidence, and vast majority of cases do not need intervention. Rarely, these foreign bodies drop into the appendix and not likely to re-enter the normal digestive tract. We describe a case of a 72-year-old male patient who presented with right iliac fossa pain of 3-day duration. Clinical examination suggested classic acute appendicitis. Blood test results revealed leukocytosis. Computed tomography of the abdomen and pelvis showed evidence of acute appendicitis and a linear hyperdensity (foreign body) perforating the appendix...
July 2016: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/27749412/change-in-salvage-radiotherapy-management-based-on-guidance-with-facbc-fluciclovine-pet-ct-in-postprostatectomy-recurrent-prostate-cancer
#18
RANDOMIZED CONTROLLED TRIAL
Oladunni O Akin-Akintayo, Ashesh B Jani, Oluwaseun Odewole, Funmilayo I Tade, Peter T Nieh, Viraj A Master, Leah M Bellamy, Raghuveer K Halkar, Chao Zhang, Zhengjia Chen, Mark M Goodman, David M Schuster
PURPOSE: We explored the influence of FACBC (fluciclovine) PET/CT on the decision to offer radiotherapy and radiotherapy treatment field recommendations in postprostatectomy patients with recurrent prostate cancer. PATIENTS AND METHODS: After obtaining institutional review board approval and informed consent, 87 patients with detectable prostate-specific antigen (PSA) levels were recruited into a prospective clinical trial. After an initial provider-determined radiotherapy plan based on conventional imaging, 44 of 87 patients were randomized to additionally undergo fluciclovine PET/CT...
January 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27733305/quantitative-analysis-of-the-trendelenburg-test-and-invention-of-a-modified-method
#19
Kenji Fujita, Tamon Kabata, Yoshitomo Kajino, Shintaro Iwai, Kazunari Kuroda, Kazuhiro Hasegawa, Katsuo Fujiwara, Hiroyuki Tsuchiya
BACKGROUND: While the Trendelenburg test has been used for 120 years to detect hip abductor muscle weakness, the methodology has not been standardised. PURPOSES: This study undertook to quantitatively analyze the relation between abductor muscle activity and pelvic tilt angle in the Trendelenburg one-leg stance, examine the pitfalls associated with performing the T-test, and develop a modified method that will produce reliable results. METHODS: A convenience sample of 15 healthy males was asked to assume a one-leg stance in ten different postures, five with mild flexion on the unsupported side, and five with severe flexion...
January 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27632838/effects-of-volitional-spine-stabilization-and-lower-extremity-fatigue-on-the-knee-and-ankle-during-landing-performance-in-a-population-with-recurrent-low-back-pain
#20
Ram Haddas, Steven F Sawyer, Phillip S Sizer, Toby Brooks, Ming-Chien Chyu, C Roger James
INTRODUCTION: Recurrent lower back pain (rLBP) and neuromuscular fatigue are independently thought to increase the risk of lower extremity (LE) injury. Volitional preemptive abdominal contraction (VPAC) is thought to improve lumbar spine and pelvis control in individuals with rLBP. The effects of VPAC on fatigued landing performance in individuals with rLBP are unknown. OBJECTIVES: To determine the effects of VPAC and LE fatigue on landing performance in a rLBP population...
September 2017: Journal of Sport Rehabilitation
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