Purpose Informal caregivers play an important supportive care role for patients with cancer. This may be especially true for pancreatic cancer which is often diagnosed late, has a poor prognosis and is associated with a significant symptom burden. We systematically reviewed the evidence on caregiver burden, unmet needs and quality-of-life of informal caregivers to patients with pancreatic cancer. Method PubMed, Medline, CINAHL and Embase databases were systematically searched on 31 August 2021. Qualitative and quantitative data on informal caregivers’ experiences were extracted and coded into themes of burden, unmet needs or quality-of-life with narrative synthesis of the data undertaken. Results Nine studies (five qualitative, four quantitative), including 6023 informal caregivers, were included in the review. We categorised data into three key themes: caregiver burden, unmet needs and quality-of-life. Data on caregiver burden was organised into a single subtheme relating to symptom management as a source of burden. Data on unmet needs was organised into three subthemes need for: better clinical communication; support and briefings for caregivers; and help with navigating the health care system. Data on quality-of-life indicate large proportions of informal caregivers experience clinical levels of anxiety (33%) or depression (12%-32%). All five qualitative studies were graded as good quality; three quantitative studies were poor quality, and one was fair quality. Conclusion High-quality pancreatic cancer care should consider the impacts of informal caregiving. Prospective longitudinal studies examining multiple dimensions of caregiver burden, needs, and quality-of-life would be valuable at informing supportive care cancer delivery to pancreatic cancer informal caregivers.
Background Disconnected pancreatic duct syndrome (DPDS) is a complication of acute necrotizing pancreatitis in the neck and body of the pancreas often manifesting as persistent pancreatic fluid collection (PFC) or external pancreatic fistula (EPF). This systematic review and pairwise meta-analysis aimed to review the definitions, clinical presentation, intervention, and outcomes for DPDS. Methods The PubMed, EMBASE, MEDLINE, and SCOPUS databases were systematically searched until February 2020 using the PRISMA framework. A meta-analysis was performed to assess the success rates of endoscopic and surgical interventions for the treatment of DPDS. Success of DPDS treatment was defined as long-term resolution of symptoms without recurrence of PFC, EPF, or pancreatic ascites. Results Thirty studies were included in the quantitative analysis comprising 1355 patients. Acute pancreatitis was the most common etiology (95.3%, 936/982), followed by chronic pancreatitis (3.1%, 30/982). DPDS commonly presented with PFC (83.2%, 948/1140) and EPF (13.4%, 153/1140). There was significant heterogeneity in the definition of DPDS in the literature. Weighted success rate of endoscopic transmural drainage (90.6%, 95%-CI 81.0–95.6%) was significantly higher than transpapillary drainage (58.5%, 95%-CI 36.7–77.4). Pairwise meta-analysis showed comparable success rates between endoscopic and surgical intervention, which were 82% (weighted 95%-CI 68.6–90.5) and 87.4% (95%-CI 81.2–91.8), respectively (P = 0.389). Conclusions Endoscopic transmural drainage was superior to transpapillary drainage for the management of DPDS. Endoscopic and surgical interventions had comparable success rates. The significant variability in the definitions and treatment strategies for DPDS warrant standardisation for further research.
Background Canine atopic dermatitis (AD) is a complex multifactorial disease characterised by an exaggerated immunological response. Little is known about the role that cutaneous and circulating chemokines play in disease severity. Objective To evaluate the messenger (m)RNA and protein levels of selected chemokines in skin and serum of healthy and atopic dogs, and in the atopic group to determine whether there is a correlation with disease severity. Materials and methods Skin biopsies and blood samples were taken from 12 privately owned atopic [lesional (AD‐L) and nonlesional (AD‐NL) skin] and 12 privately owned healthy dogs. Circulating exosomes were extracted from the serum. Cutaneous and exosomal mRNA levels of CCL17, CCL22, CCL27 and CCL28 were quantified using quantitative real‐time PCR. Protein levels were evaluated using canine‐specific ELISA kits. The severity and extent of the clinical signs also were assessed in the atopic dogs using Canine Atopic Dermatitis Extent and Severity Index, 4th iteration (CADESI‐04) and a validated pruritus Visual Analog Scale (pVAS). Results The expression of CCL28 exosomes in skin was greater in AD‐L when compared to healthy (P = 0.019) and AD‐NL (P = 0.002) samples. However, serum expression was lower in dogs with AD compared to healthy dogs (P = 0.03). A higher expression of CCL17 and CCL22 was seen in AD‐L when compared to healthy skin (P = 0.018 and P = 0.019, respectively). There also was a positive correlation between clinical scores and CCL22 (AD‐NL; r = 0.6, P = 0.05) and between the pruritus score and CCL22 (AD‐L; r = 0.6, P = 0.05). Differences in CCL27 concentrations were not observed. Conclusions and clinical importance This study suggests that CCL17, CCL22 and CCL28 may play a role in the cutaneous inflammatory response in atopic dogs. They may be considered as markers of disease severity, although further studies are needed to validate these findings.
Background: Oxidative stress has been implicated in the pathogenesis of acute pancreatitis (AP), and ascorbic acid (AA), as an important endogenous antioxidant substance, has been shown to reduce AP severity in preclinical studies. However, the effects of AA supplementation in clinical settings remain controversial.Methods: PubMed, EMBASE, MEDLINE, and SCOPUS databases were searched, and both preclinical and clinical studies were included. For clinical trials, the primary outcome was incidence of organ failure, and for preclinical studies, the primary outcome was histopathological scores of pancreatic injuries.Results: Meta-analysis of clinical trials showed that compared with controls, AA administration did not reduce the incidence of organ failure or mortality during hospitalization but was associated with significantly reduced length of hospital stay. Meta-analysis of preclinical studies showed that AA supplementation reduced pancreatic injury, demonstrated as decreased histological scores and serum amylase, lipase levels.Conclusion: AA administration has no effect on survival or organ failure in patients with AP but may reduce the length of hospital stay. However, the evidence to date remains sparse, scattered, and of suboptimal quality, making it difficult to draw any firm conclusion on the clinical benefits of AA in AP.
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