Dynamically Controlled Routing (DCR) is a centralized, adaptive network traffic management system which significantly enhances network performance and survivability. In a DCR network, switches communicate with a network processor which computes routing recommendations for overflow traffic based on near real time network status and traffic volume information. A DCR network, when properly dimensi...

BACKGROUND Nasolacrimal duct obstruction is caused by a variety of acquired and congenital etiologies. The standard treatment is dacryocystorhinostomy (DCR), with the gold standard being the external DCR. Since the advent of the nasal endoscope, the transnasal endoscopic DCR has gained popularity and has several advantages over the external approach. Some potential advantages include the avoida...

AIMS Endoscopic endonasal dacryocystorhinostomy (DCR) has some advantages over external DCR as a less invasive method with no skin incisions. But the success rate of the operation has not reached the level of external method. In this study, a wound healing inhibitor mitomycin C was used intraoperatively to prevent the closure of the osteum after the operation. METHODS Endoscopic endonasal DCR...

OBJECTIVE To compare outcomes between conventional external dacrocystorhinostomy (ext DCR) and endonasal laser-assisted DCR (ELADCR). DESIGN Prospective randomized trial. PATIENTS The study included 210 consecutive patients (244 eyes) referred to hospital eye and ear, nose, and throat clinics. MAIN OUTCOME MEASURES Success rates and complications of ext DCR and ELADCR were compared after ...

PURPOSE To compare success rates of external dacryocystorhinostomy (DCR) and endoscopic endonasal DCR for acquired nasolacrimal duct obstruction (NLDO). DESIGN Historical cohort study. PARTICIPANTS 100 patients who underwent external DCR and 105 patients who underwent endoscopic endonasal DCR. METHODS A retrospective review of medical records of patients with acquired NLDO who underwent D...

The role of silicone intubation in routine dacryocystorhinostomy (DCR) surgery remains unclear. Recent studies provide a higher level of evidence against intubation in DCR. Intubation of the nasolacrimal duct with silicone tubes has largely arisen as a result of history, anecdote and the evolution of DCR surgery rather than being based upon sound evidence. Silicone intubation has gained popular...

To compare the surgical duration and clinical outcomes of nasolacrimal recanalization versus external dacryocystorhinostomy (DCR) in the treatment of failed nasolacrimal duct intubation.This is a retrospective, comparative, and interventional study. We evaluated the outcomes of 66 consecutive patients undergoing either nasolacrimal recanalization (n = 32) or DCR (n = 34) in a tertiary lacrimal ...

IMPORTANCE Analysis of combat deaths provides invaluable epidemiologic and quality-improvement data for trauma centers and is particularly important under rapidly evolving battlefield conditions. OBJECTIVE To analyze the evolution of injury patterns, early care, and resuscitation among patients who subsequently died in the hospital, before and after implementation of damage control resuscitat...

This thesis is based on a large prospective, observational study on the various factors affecting the success of endoscopic dacryocystorhinostomy (endo DCR). There are 3 components to this study. Canalicular closure has long been thought to be a major cause for early failure and the reason behind routine silicone intubation. The first component investigated the incidence of canalicular closure ...

OBJECTIVES Endonasal dacryocystorhinostomy (DCR) is a well-established treatment method in patients with nasolacrimal duct obstruction. However, there are a few reports about the overall management of failed endonasal DCR. We investigated the causes and management strategies of failed endonasal DCR. METHODS This retrospective review included 61 patients (61 eyes) who had undergone revision su...