Outcome of transungual surgical approach with synthetic nail shield in the treatment of digital glomus tumors: A retrospective study

Glomus tumor is a benign neuromyoarterial tumor commonly found in the hand, particularly in the subungual region, that is removed only by surgery. Surgical excision leaves postoperative nail deformity and may cause a recurrence of subungual glomus tumors. A retrospective chart review was performed to assess the role of a synthetic nail shield in the prevention of postoperative nail deformity after transungual glomus tumor excision; the review was performed at a minimum of one year of follow-up of proven diagnosed 19 patients with digital glomus tumor between May 2011 and April 2016 in the orthopedic department in the university hospitals. All patients underwent surgical excision using transungual approach with a synthetic nail shield under digital nerve block anesthesia. Pain, cold intolerance, and complications were examined before and after surgery, and data were recorded. All patients had pain, tenderness, and cold intolerance, 12 patients (63.2%) had nail discoloration, and 3 patients (15.8%) had dystrophic changes. The tumors detached from surrounding tissues had an ovoid or round shape of 2-10 mm in size. Diagnosis was confirmed after pathological examination. In all patients, pain and cold sensitivity diminished. The mean follow-up period was 20.6 months, with no recurrences detected and improved nail appearance. No patient had postoperative nail deformity. Transungual approach followed by artificial coverage was an effective method for the treatment of glomus tumors without complications to the nail bed.

Validation of the Seegene RV15 multiplex PCR for the detection of influenza A subtypes and influenza B lineages during national influenza surveillance in hospitalized adults

Background. The Serious Outcomes Surveillance Network of the Canadian Immunization Research Network (CIRN SOS) has been performing active influenza surveillance since 2009 (ClinicalTrials.gov identifier: NCT01517191). Influenza A and B viruses are identified and characterized using real-time reverse-transcriptase polymerase chain reaction (RT-PCR), and multiplex testing has been performed on a subset of patients to identify other respiratory virus aetiologies. Since both methods can identify influenza A and B, a direct comparison was performed.Methods. Validated real-time RT-PCRs from the World Health Organization (WHO) to identify influenza A and B viruses, characterize influenza A viruses into the H1N1 or H3N2 subtypes and describe influenza B viruses belonging to the Yamagata or Victoria lineages. In a subset of patients, the Seeplex RV15 One-Step ACE Detection assay (RV15) kit was also used for the detection of other respiratory viruses.Results. In total, 1111 nasopharyngeal swabs were tested by RV15 and real-time RT-PCRs for influenza A and B identification and characterization. For influenza A, RV15 showed 98.0 % sensitivity, 100 % specificity and 99.7 % accuracy. The performance characteristics of RV15 were similar for influenza A subtypes H1N1 and H3N2. For influenza B, RV15 had 99.2 % sensitivity, 100 % specificity and 99.8 % accuracy, with similar assay performance being shown for both the Yamagata and Victoria lineages.Conclusions. Overall, the detection of circulating subtypes of influenza A and lineages of influenza B by RV15 was similar to detection by real-time RT-PCR. Multiplex testing with RV15 allows for a more comprehensive respiratory virus surveillance in hospitalized adults, without significantly compromising the reliability of influenza A or B virus detection.

Interim estimates of 2014/15 influenza vaccine effectiveness in preventing laboratory-confirmed influenza-related hospitalisation from the Serious Outcomes Surveillance Network of the Canadian Immunization Research Network, January 2015

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Interim estimates of 2013/14 influenza clinical severity and vaccine effectiveness in the prevention of laboratory-confirmed influenza-related hospitalisation, Canada, February 2014

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