There is good evidence to support the use of a single injection of LR-PRP under ultrasound guidance in tendinopathy. Both the preparation and intratendinous injection technique of PRP appear to be of great clinical significance.
We monitored the responses of solid organ transplant recipients (SOTs) to influenza vaccine during consecutive influenza seasons. Standard 1993-1994 trivalent influenza vaccine was given to 68 SOTs and 29 healthy young adults, and hemagglutination-inhibition (HI) antibody titers were determined pre- and post-immunization. Significant rises in geometric mean antibody titers occurred post-immunization for all three antigens in both groups. However, the magnitude of the rise was lower in SOTs (1.5-2.3-fold vs. 8.7-10.4-fold, depending on the antigen) (P < .05), and significantly fewer SOTs had protective HI titers (> or = 1:40) for B/Panama/45/90 antigens (50% of SOTs vs. 76% of healthy subjects) and for A/Texas/36/91 (H1N1) antigens (60% vs. 90%). After exclusion of persons with high preimmunization titers, SOTs had significantly reduced frequencies of > or = 4-fold antibody responses compared with those of healthy subjects (23%-38% vs. 86%-100%) (P < .05 for each antigen). When a series of two injections of standard 1994-1995 vaccine was given to 23 SOTs, there was no significant improvement in vaccine response with the second dose. Some SOTs have deficient responses to inactivated influenza vaccines.
Background There is no cure for knee osteoarthritis (KOA) and typically patients live approximately 30-years with the disease. Most common medical treatments result in short-term palliation of symptoms with little consideration of long-term risk. This systematic review aims to appraise the current evidence for the long-term (≥12 months) safety of common treatments for knee osteoarthritis (KOA). Methods Cochrane Database of Systematic Reviews, Medline and PubMed were systematically searched from 1990 to July 2017, inclusive. Inclusion criteria were 1) peer-reviewed publications investigating treatments for KOA referred to in the Australian Clinical Care Standard and/or Therapeutic Guidelines: Rheumatology 2) specifically addressing safety of the treatments 3) with ≥12 months of follow-up and 4) Downs and Black quality score ≥ 13. Results Thirty-four studies fulfilled the inclusion criteria. Lifestyle modifications (moderate exercise and weight loss), paracetamol, glucosamine, Intraarticular Hyaluronic Acid (IAHA) and platelet-rich-plasma (PRP) injections have a low risk of harm and beneficial ≥12 month outcomes. Although Nonsteroidal Anti-inflammatory Drugs (NSAIDs) provide pain relief, they are associated with increased risk of medical complications. Cortisone injections are associated with radiological cartilage degeneration at > 12 months. Arthroscopy for degenerative meniscal tears in KOA leads to a 3-fold increase in total knee arthroplasty (TKA). TKA improves primary outcomes of KOA but has a low rate of significant medical complications. Conclusions Given the safety and effectiveness of lifestyle interventions such as weight loss and exercise, these should be advocated in all patients due to the low risk of harm. The use of NSAIDs should be minimized to avoid gastrointestinal complications. Treatment with opioids has a lack of evidence for use and a high risk of long-term harm. The use of IAHA and PRP may provide additional symptomatic benefit without the risk of harm. TKA is associated with significant medical complications but is justified by the efficacy of joint replacement in late-stage disease. Trial registration PROSPERO International prospective register for systematic reviews; registration number CRD42017072809 . Electronic supplementary material The online version of this article (10.1186/s12891-019-2525-0) contains supplementary material, which is available to authorized users.
All patients undergoing surgery are at risk of developing hypothermia; up to 70% develop hypothermia perioperatively. Inadvertent hypothermia is associated with complications such as impaired wound healing, increased blood loss, cardiac arrest and increased risk of wound infection. Anaesthesia increases the risk as the normal protective shivering reflex is absent. Ambient temperature also has a major effect on the patient's body temperature. Prevention of hypothermia not only reduces the incidence of complications, but patients also experience a greater level of comfort, and avoid postoperative shivering and the unpleasant sensation of feeling cold. Nurses should be aware of the risks of hypothermia so that preventative interventions can be employed to minimize the risk of hypothermia. Preoperative assessment is essential to enable identification of at-risk patients. Simple precautionary measures initiated by nurses can considerably reduce the amount of heat lost, minimize the risk of associated complications and ultimately improve patients' short- and long-term recovery. Minimizing skin exposure, providing adequate bed linen for the transfer to theatre and educating patients about the importance of keeping warm perioperatively are all extremely important. It is also worth considering using forced-air warmers preoperatively as research suggests that initiating active warming preoperatively may be successful in preventing hypothermia during the perioperative period.
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