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Classical robots perturbed by Lévy processes: analysis and Lévy disturbance rejection methods

The stability and convergence of state, disturbance and parametric estimates of a robot have been analyzed using the Lyapunov method in the existing literature. In this paper, we analyze the problem of stochastic stability and also prove some results regarding behavior of statistically averaged Lyapunov energy function in the presence of jerk noise modeled as the sum of...

Long term results after surgical management of posterior wall acetabular fractures

Background Posterior wall fractures are the most common of all acetabular fractures, and there is universal consensus that displaced fractures are best treated with anatomical reduction and stable internal fixation. Though early and mid term results for such studies are available, few shed light on long term results. This study was performed to evaluate long term functional and...

Ankle fusion with centralisation of the fibula after distal tibia bone tumour resection

Background Management of distal tibial tumours with limb salvage surgery poses a challenge for the orthopaedic surgeon. This study was done to evaluate the results of fibular centralisation as a technique to reconstruct defects that occurred after resection at this site. Materials and methods Nine patients with a mean age of 23.2 years (range 17–34) with diagnosis of osteosarcoma...

Lumbar plexus injury in an anterior fracture dislocation of sacroiliac joint: a case report and review of literature

Displaced unstable pelvic fractures are commonly associated with disruption of the osteoarticular junction of the sacroiliac joint. Posterior sacroiliac dislocation are commonly reported but there are only few reports the anterior type of sacroiliac dislocation where the iliac bone fractures and displaces anterior to sacrum, often in combination with fractures of pubic rami and...

Proximal humeral reconstruction using nail cement spacer in primary and metastatic tumours of proximal humerus

Kamboj 0 Rohit Singla 0 Sukhbir Singh Sangwan 0 0 Z. S. Kundu P. Gogna (&) V. Gupta P. Kamboj R. Singla S. S. Sangwan Department of Orthopaedics and Rehabilitation , PGIMS, 2/11-J Medical Enclave, Rohtak

Radiological and functional outcome in unstable, osteoporotic trochanteric fractures stabilized with dynamic helical hip system

A dynamic hip screw (DHS) remains the implant of choice for stabilization of trochanteric fractures because of its favourable results and low rate of non-union or hardware failure, but complication rates of the DHS are higher in unstable and osteoporotic trochanteric fractures. The proponents of the dynamic helical hip system (DHHS) report that it has the potential to decrease...

Diffuse small bowel thickening in aids patient - a case report

BMC Infectious Diseases Diffuse small bowel thickening in Aids patient - a case report Rohit Singla 0 Samriti Hari 1 Surendra K Sharma 0 0 Department of Medicine, All India Institute of Medical

Safety of 3 Different Reintroduction Regimens of Antituberculosis Drugs after Development of Antituberculosis Treatment–Induced Hepatotoxicity

Background. Drug-induced hepatotoxicity (DIH) is the most common adverse drug reaction leading to interruption of antituberculosis treatment. Worldwide, different reintroduction regimens have been advocated, but no consensus guidelines are available. Reintroduction of antituberculosis drugs in patients with DIH has never been studied systematically. We aimed to compare the safety...