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Friday, April 20, 2012

Prevention of Venous Thromboembolism After Hip or Knee Arthroplasty Findings From a 2008 Survey of US Orthopedic Surgeons

A survey was mailed to a representative sample of US orthopedic surgeons to assess protocols for the prevention of venous thromboembolism after lower extremity total joint arthroplasty. Practices were examined by type of operation, annual surgical volume, and opinions of consensus guidelines issued by the American Academy of Orthopaedic Surgeons and the American College of Chest Physicians. Although there was near-unanimous agreement that routine thromboprophylaxis should be the standard practice for patients who undergo hip or knee arthroplasty, surgeons were divided as to the exact management approach. Frederick A. Anderson Jr., Wei Huang, Richard J. Friedman,, Louis M. Kwong, Jay R. Lieberman, Vincent D. Pellegrini, The Orthopaedic Surgeon's Survey Steering Committee. The Journal of Arthroplasty; Volume 27, Issue 5, May 2012, Pages 659–666.e5 PDF

Video Review of the New England Journal of Medicine iPad App

So how does the iPad app stack up? Does it merely take the online version of the NEJM and put PDF files on your iPad? Or, does it utilize the dynamic user interface of the iPad and allow for a transformational reading experience?

We have a video review of the app here: (register for free to view the video). iMedicalApps

Thursday, April 19, 2012

New coating for hip implants could prevent premature failure

Every year, more than a million Americans receive an artificial hip or knee prosthesis. Such implants are designed to last many years, but in about 17 percent of patients who receive a total joint replacement, the implant eventually loosens and has to be replaced early, which can cause dangerous complications for elderly patients.

To help minimize these burdensome operations, a team of MIT chemical engineers has developed a new coating for implants that could help them better adhere to the patient's bone, preventing premature failure.

"This would allow the implant to last much longer, to its natural lifetime, with lower risk of failure or infection," says Paula Hammond, the David H. Koch Professor in Engineering at MIT and senior author of a paper on the work appearing in the journal Advanced Materials. Eurekalert!

Surgical Flaps is a great tool for students and junior residents to visually understand flap surgery

As a medical student in the OR, it can often be a frustrating experience. Surgery is a foreign and exciting domain, but even by scrubbing in and being close to the field, “why are they doing that?” is a common feeling.
When it comes to Plastic surgery, there is a dual goal of restoring function and maintaining a cosmetic result. To that affect, the use of flaps is a common technique employed. iMedicalApps

Medtronic’s New POWEREASE Instruments for Reconstructive Spine Surgery

This system brings new capability to the operating room through compatibility with two of the leading pedicle screw platforms on the market, the CD HORIZON® SOLERA™ Spinal System and the TSRH® 3Dx™ Spinal System, and is integrated with other advanced surgical technologies, specifically Medtronic’s NIM-ECLIPSE® neuromonitoring, O-ARM® imaging, and STEALTHSTATION® navigation systems. MedGadget

Wednesday, April 18, 2012

Researchers find joint failures potentially linked to oral bacteria

The culprit behind a failed hip or knee replacements might be found in the mouth. DNA testing of bacteria from the fluid that lubricates hip and knee joints had bacteria with the same DNA as the plaque from patients with gum disease and in need of a joint replacement. MedicalXpress

Research potential? Students invent device for the perfect bicep curl

To achieve buff biceps, proper form for strength-training exercises is key, and people often turn to professional trainers to correct them and prevent injury. Cornell student engineers have developed an alternative: A simple electronic device that guides the user through a proper bicep curl.

Knee injuries in women linked to motion, nervous system differences

In this study, just published in the European Journal of Applied Physiology, the scientists found that most aspects of spinal motor control and rapid activation of muscles were similar in 17 men and 17 women that were examined – with one exception. Men had a higher level of "recurrent inhibition," which is a process in the spinal cord that helps select the appropriate muscle response. Eurekalert!

Specialists must work together to prevent leg amputations, urge experts

A lack of cooperation between doctors is allowing the number of leg amputations to remain high, despite major advances in treatment, warn experts from Imperial College London at an international symposium at the College today. Researchers will highlight the need for early referral and interdisciplinary management at the CX Symposium, which is attended by 3,500 specialists in vascular medicine from across the world. MedicalXpress

Tuesday, April 17, 2012

Three new Audio Digest Ortho topics

Volume 35, Issue 08
April 21, 2012
Update on meniscal repair – Robert A. Arciero, MD
Meniscectomy – Robert E. Hunter, MD
The role of meniscal transplantation and osteotomy after meniscectomy – Dr. Arciero
Tibial spine avulsion – Dr. Hunter
Volume 35, Issue 07
April 7, 2012
Coding: understanding the modifiers – Eric G. Meinberg, MD
Coding: operative fracture care – Paul Tornetta III, MD
Coding: nonoperative fracture care – Dr. Meinberg
Work–up of the patient with nonunion – Joseph Borrelli Jr, MD
Chronic osteomyelitis: treatment options – Peter G. Trafton, MD
Volume 35, Issue 06
March 21, 2012
ORIF for displaced femoral neck fractures in the elderly – Dean G. Lorich, MD
Knee dislocation: acute care and reconstruction – Arif Ali, MD
High–energy tibial plateau fractures: a staged protocol – Daniel N. Segina, MD
Tibial nonunion and malunion – Michael S. Sirkin, MD
Fusion for Lisfranc fracture–dislocation – John G, Anderson, MD
Salvage of the crushed and mangled foot with vascular injuries – Dr. Anderson

Grays Anatomy iPad app is an impressive conversion from print to digital

This review will focus on Grays Anatomy for Students which is based on the textbook. Rather than focus on the content, this review will examine how effectively this venerable text has made the transition from print to digital. The first thing to notice when launching the app is the layout which is clear. Navigation is simple and straightforward and it is relatively easy to find information. iMedicalApps

25 new Ortho trauma related articles in PubMed

1.. Microbiology and injury characteristics in severe open tibia fractures from combat. Burns TC, Stinner DJ, Mack AW, Potter BK, Beer R, Eckel TT, Possley DR, Beltran MJ, Hayda RA, Andersen RC, Keeling JJ, Frisch HM, Murray CK, Wenke JC, Ficke JR, Hsu JR; the Skeletal Trauma Research Consortium. J Trauma Acute Care Surg. 2012 Apr;72(4):1062-1067. PMID: 22491628
2. Convenient coverage of soft-tissue defects around the knee by the pedicled vastus medialis perforator flap. Zheng HP, Lin J, Zhuang YH, Zhang FH. J Plast Reconstr Aesthet Surg. 2012 Apr 13. [Epub ahead of print] PMID: 22504009
3. Diagnosis and management of olecranon bursitis. Del Buono A, Franceschi F, Palumbo A, Denaro V, Maffulli N. Surgeon. 2012 Apr 12. [Epub ahead of print] PMID: 22503398
4. Management strategies for shoulder reconstruction in obstetric brachial plexus injury with special reference to loss of internal rotation after surgery. Sibinski M, Hems TE, Sherlock DA. J Hand Surg Eur Vol. 2012 Apr 11. [Epub ahead of print] PMID: 22496183
5. Evaluating bone marrow oedema patterns in musculoskeletal injury. Kozoriz MG, Grebenyuk J, Andrews G, Forster BB. Br J Sports Med. 2012 Apr 11. [Epub ahead of print] PMID: 22496099
6. Acute tibialis posterior tendon rupture associated with a distal tibial fracture. Jarvis HC, Cannada LK. Orthopedics. 2012 Apr 1;35(4):e595-7. PMID: 22495868
7. Neuritis ossificans of the radial nerve. Muzaffar N, Ahmad N, Bhat A, Shah N.
Orthopedics. 2012 Apr 1;35(4):e589-91. PMID: 22495866
8.  Rate of adverse reactions to more than 1 series of viscosupplementation. Webber TA, Webber AE, Matzkin E. Orthopedics. 2012 Apr 1;35(4):e514-9. PMID: 22495852
9. Evolution and Development of the Advanced Trauma Life Support (ATLS) Protocol: A Historical Perspective. Radvinsky DS, Yoon RS, Schmitt PJ, Prestigiacomo CJ, Swan KG, Liporace FA. Orthopedics. 2012 Apr 1;35(4):305-11. PMID: 22495839
10. Short-Term Physical and Mental Health Outcomes for Combat Amputee and Nonamputee Extremity Injury Patients. Melcer T, Walker GJ, Sechriest VF 2nd, Galarneau M, Konoske P, Pyo J. J Orthop Trauma. 2012 Apr 9. [Epub ahead of print]
PMID: 22495531
11. Predrilling Does Not Improve the Pullout Strength of External Fixator Pins: A Biomechanical Study. Oliphant BW, Kim H, Osgood GM, Golden RD, Hawks MA, Hsieh AH, Oʼtoole RV. J Orthop Trauma. 2012 Apr 9. [Epub ahead of print] PMID:
J Orthop Trauma. 2012 Apr 9. [Epub ahead of print] PMID: 22495529
13. Does Early Fixation of Posterior Wall Acetabular Fractures Lead to Increased Blood Loss? Furey AJ, Karp J, Oʼtoole RV. J Orthop Trauma. 2012 Apr 9. [Epub ahead of print] PMID: 22495528
PMID: 22495524
16. Nonoperative Immediate Weightbearing of Minimally Displaced Lateral Compression Sacral Fractures Does Not Result in Displacement. Sembler Soles GL, Lien J, Tornetta P 3rd. J Orthop Trauma. 2012 Apr 10. [Epub ahead of print] PMID: 22495523
17. Lidocaine Analgesia for Removal of Wound Vacuum-Assisted Closure Dressings: A Randomized Double-Blinded Placebo-Controlled Trial. Christensen TJ, Thorum T, Kubiak EN. Ther Drug Monit. 2012 Apr 9. [Epub ahead of print] PMID: 22495520
18. Is a lateral view essential in management of hip fracture? Naqvi SG, Iqbal S, Reynolds T, Braithwaite I, Banim R. Eur J Radiol. 2012 Apr 9. [Epub ahead of print] PMID: 22495203
Surgeon. 2012 Apr 9. [Epub ahead of print] PMID: 22494779
Singleton TJ, Schuberth JM.Foot Ankle Spec. 2012 Apr 6. [Epub ahead of print] PMID: 22492930
21. Morbidity in adults with a normal limited scaphoid MRI: a retrospective cohort study and follow-up questionnaire. Bowles F, Keeton H, Adlington H, Cumberbatch GL, Markham D. Emerg Med J. 2012 Apr 4. [Epub ahead of print] PMID: 22492123
22. Fluoroscopy-guided retrograde core drilling and cancellous bone grafting in osteochondral defects of the talus. Anders S, Lechler P, Rackl W, Grifka J, Schaumburger J. Int Orthop. 2012 Apr 11. [Epub ahead of print] PMID: 22491802
23. The smart screw: A fancy skill for sacroiliac screw insertion. Mendel T, Wohlrab D, Radetzki F, Hofmann GO. J Trauma Acute Care Surg. 2012 Apr;72(4):1089-92. No abstract available. PMID: 22491632
24. A systematic review of early versus delayed wound closure in patients with open fractures requiring flap coverage. Wood T, Sameem M, Avram R, Bhandari M, Petrisor B. J Trauma Acute Care Surg. 2012 Apr;72(4):1078-85. PMID: 22491630
25. Cost and clinical effectiveness of MRI in occult scaphoid fractures: a randomised controlled trial. Patel NK, Davies N, Mirza Z, Watson M. Emerg Med J. 2012 Apr 13. [Epub ahead of print] PMID: 22505295

Sunday, April 15, 2012

A new twist in Robotic Surgery

Instead of using robots to asssist with surgery, how about specializing in performing surgery on robots?

The next time you see someone doing the dance “The robot,” it might not be accurate in the world of modern robotics. Scientists at the University of Sussex, the University of Belgrade, and the Artificial Intelligence Lab of the University of Zurich have been working on a new humanoid robot that has muscles and joints, just like real humans. This means their movements won’t be as rigid as everyone has come to expect from robots. Slash Gear

New Ortho books to consider

Pediatric Orthopedic Surgical Emergencies by Joshua M. Abzug and Martin J. Herman (May 31, 2012) Hardcover

Current Management of Shoulder and Elbow Trauma by W. Levine, Christopher S. Ahmad and Edwin R. Cadet (May 30, 2012) Hardcover

Orthopaedic Emergencies by Casey J. Humbyrd, Benjamin Petre, Arjun S. Chanmugam and Dawn M. LaPorte (May 18, 2012) Paperback

Mercer's Textbook of Orthopaedics and Trauma by Sureshan Sivanathan and Eugene Sherry (May 1, 2012)

Physeal Injury Other Than Fracture by Hamlet A. Peterson (Apr 28, 2012)

ASSH Manual of Hand Surgery by Warren C. Hammert, Warren C. Hammert, Martin I. Boyer and David J. Bozentka (Mar 30, 2012) - Kindle eBook

Imaging of the Foot and Ankle by Thomas H. Berquist (Mar 30, 2012) - Kindle eBook

Some digital news of note

Google Scholar: See your citations
Have you realized that now scientisits can create Google Scholar profiles and receive citation reports automatically? It saves plenty of time and efforts. Great service! ScienceRoll

Prestigious medical journal The Lancet arrives on iPad  
The next big move for medical journals is to move into the digital domain. The medical community has already seen a number of prestigious journals such as the NEJM and BMJ launch electronic versions which are available on the iPad. Electronic journals offer a number of advantages over traditional paper journals such as the ability to carry an entire back catalogue of issues, save, share and favourite articles for further reading. One of the latest journals to join the range of digital journals is The Lancet. The Lancet app is a free app for the iPad which offers current subscribers rapid access to recently published content from The Lancet and other specialty publications; The Lancet Oncology, The Lancet Neurology and The Lancet Infectious Diseases. iMedicalapps

The future of medicine is … here: TEDMED 2012
In just a few short years, the TEDMED conference has grown in size and prominence to become an annual highlight for healthcare visioneers and digerati. The list of speakers shows it to include some of the best and brightest in the nation, and spans disciplines from engineering to medicine to informatics to chemistry.  iMedicalapps