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The growth hormone (GH) replacement therapy in adult growth hormone deficiency (AGHD) is now well developed, nevertheless, the safety of GH replacement, especially the incidence of cancer in these patients remains to be further clarified. To summarize the evidence on the safety of using GH in AGHD, we conduct this meta-analysis to assess the relationship between the risk of cancer and GH replacement therapy. Randomized controlled trials and cohort studies involved in GH therapy for AGHD were selected. Meta-analysis was performed and risk ratio (RR) was pooled with 95% confidence interval (CI) to investigate the relationship between GH replacement and the risk of cancer. The result indicated that there was no evidence to draw a conclusion that GH replacement therapy will increase the risk of cancer (P = 0.001, RR = 0.77, 95% CI [0.65, 0.90]). Meanwhile, according to the calculated analysis, the replacement therapy might even reduce the risk of cancer. Furthermore, subgroup analysis demonstrated that there was no correlation between replacement therapy of GH and the risk of cancer both in prospective and retrospective cohort design research, and in prospective group, the risk of cancer even decreased (P = 0.0002, RR = 0.71, 95%CI [0.59, 0.85]). In conclusion, our study corroborates evidence from previous studies showing that GH replacement therapy in AGHD patients would not increase the risk of cancer; instead, it might be even decrease cancer risk. The results suggested that GH replacement therapy in AGHD patients was safe.

Rationale: Hyperpigmentation is a common skin disease. However, there are few reported cases of Grave's disease with diffuse hyperpigmentation. We hereby described a rare case with diffuse hyperpigmentation induced by Grave's disease. Patient concerns: A 42-year-old Chinese woman with accumulated general pigmentation of skin was admitted to our hospital in October 2017. On examination, hyperpigmentation was observed throughout the whole body, especially on the extremities and the face. Diagnoses: The patient has elevated levels of serum free thyroxine (FT4), free triiodothyronine (FT3), reduced levels of thyroid-stimulating hormone (TSH) and positive anti-TSH receptor antibody (TRAb). She presented with grade I goiter and a diffusely increased thyroid uptake to 18.5% in thyroid scan. Histopathological examination demonstrated melanin pigmentation in the pigmented skin area. The patient was diagnosed with hyperpigmentation induced by Grave's disease. Interventions: The patient was treated with oral methimazole (15 mg/day) for thyroid dysfunction and beta blocker for symptom control. Outcomes: After a period of treatment with methimazole and beta blocker, symptoms of hyperthyroidism ameliorated and hyperpigmentation abated. Lessons: Our studies proposed that in this case the diffuse hyperpigmentation in Grave's disease was caused by elevated adrenocorticotropic hormone (ACTH) as well as anti- TSH receptor stimulating antibody instead of enhanced capillary fragility. Other potential mechanisms for skin pigmentation in hyperthyroidism still need further exploration.

Chronic or nonhealing wounds is a complex disease influenced by a multitude of factors, such as infection, ischemia, malnutrition, and diabetes and infrequently relates to retroperitoneal carcinoma. We present a case of an adenocarcinoma of ascending colon in a 68-year-old male who had lumbago and waist fistulas with retroperitoneal abscesses preceding other signs or symptoms of colonic malignancy. Supplemental information regarding the diagnosis and treatment of nonhealing wounds and colon carcinoma has also been included in the report. Adenocarcinoma of ascending colon is rarely associated with nonhealing wounds; nevertheless, it should be considered in cases with long-term healing complications. Precise diagnostic deliberation is crucial in the management and treatment of all chronic and long-term nonhealing lesions, and appropriately performed biopsies are essential to determine whether malignancy is the primary cause.

Skin perfusion pressure (SPP) is the blood pressure that is the requisite for the restoration of microcirculatory or capillary flow following controlled occlusion and subsequent flow return. The purpose of the current review was to evaluate the value of SPP for the prediction of wound healing in patients with limb ischemia. Articles published up to January 31, 2017 were searched in the PubMed database and Chinese database CNKI, using the keywords of 'skin perfusion pressure', 'limb ischemia' and 'wound healing'. Articles were obtained and reviewed to analyze the predictive value of SPP with regard to the healing potential of ischemia wounds on limbs. Three different types of techniques are currently used for the measurement of SPP, namely radioisotope clearance, photoplethysmography and laser Doppler, with laser Doppler as the most widely applied technique, due to its noninvasiveness and ease of operability. SPP may effectively assess wound healing potential in ischemic limbs with high sensitivity and specificity; however, its optimum cut-off point remains uncertain. Compared with other noninvasive microcirculatory assessment tools including ankle-brachial index, toe blood pressure and transcutaneous oxygen pressure, SPP has its advantages including that it is not affected by vascular calcification, anatomical structure or patient condition. In conclusion, SPP may be used as an index to accurately predict wound healing in patients with limb ischemia. However, it is difficult to determine the optimum cut-off of SPP due to the limitations of current data. Further study is necessary to confirm the optimum cut-off value of SPP in predicting wound healing potential.

The incidence of liquefied petroleum gas (LPG)-related burns has increased over recent years, and it has become a serious public health issue in developing countries such as India and Turkey. This paper aims to investigate the epidemiological characteristics of LPG-related burns to provide assistance and suggestions for planning prevention strategies.A 5-year retrospective study was conducted in patients with LPG-related burns admitted to the Department of BurnsWound Care Center, Second Affiliated Hospital of Zhejiang University, College of Medicine, between 1st January 2011 and 31st December 2015. Information obtained for each patient included age, gender, education status, occupation, medical insurance, average hospital cost, length of hospital stay, monthly distribution of incidence, place of burns, mechanism of burns, extent of burns, site of burns, accompanying injuries, and treatment outcomes.For the first 4 years (2011-2014), the yearly incidence of LPG-related burns was at approximately 10% of all burns; however, in the fifth year (2015) alone, there was a surge to 26.94%. A total of 1337 burn patients were admitted during this period. Of these, 195 patients were admitted because of 169 LPG-related accidents; there were 11 accidents involving more than one victim. LPG-related burns occurred most frequently in patients aged 21-60 years (73.85%). The majority of injuries occurred from May to August (56.41%), and the most common place was home (83.08%, 162 patients). Gas leak (81.03%) was the main cause of LPG-related burns, followed by inappropriate operation (7.69%) and cooking negligence (2.05%). The mean burn area was 31.32±25.40% of TBSA. The most common sites of burns were the upper extremities (37.47%), followed by the head/face and neck (24.80%) and lower extremities (19.95%). The most common accompanying injuries included inhalation injury (23.59%), shock (8.71%), and external injury (7.18%). The average hospital stay was 22.90±19.47days (range 2-84 days). Only 48 patients (24.62%) had medical insurance, while 124 patients (63.59%) had no medical insurance. The average hospital cost of the no medical insurance group was significantly higher (p0.0001) than that of the medical insurance group. In addition, 72.73% of patients who left against medical advice (LAMA) were uninsured. The number of patients who recovered at our hospital was 165 (84.62%), while 22 patients (11.28%) LAMA. The overall mortality rate was 4.10% (8 patients).Our study shows that the exponential increase in LPG-related burns is alarming. This calls for rigorous precautions. Because gas leak was the main cause of LPG-related burns, any part of LPG stove system that shows signs of weathering should be replaced regularly. In addition, we also found that most of the LAMA patients were uninsured. Thus, comprehensive medical insurance should be involved early in the recovery process to assure a safe and adequate discharge.

Patients suffering from severe 100% TBSA burns are particularly vulnerable to infection and multiple organ dysfunction syndrome, being on high risks of poor outcomes. Treatment of these patients remains to be a great challenge for burn physicians, and survivors of 100% TBSA burns generally have poor quality of life after burn. Since, to our knowledge, this is the first case report on the long-term follow-up of a 100% TBSA burn survivor, the authors are presenting the initial injury, treatment, and follow-up of this female patient during 27 years. She had received good first aid, successful fluid resuscitation, and effective antibiotic therapy. The wounds healed after 8 sessions of skin grafting by postburn day 108, and she was dismissed after 121 days. To promote her recovery, a structured rehabilitation plan was initiated immediately after the admission and conducted consistently throughout her postburn life. The authors evaluated her quality of life after 27 years' follow-up using adapted Chinese version of the Burn Specific Health Scale-brief version and Chinese translation version of the Short Form-36, the results of which suggest that the patient is satisfied with her life in psychologic perspectives despite lower scores in physical aspects.

Objective This study analyses the epidemiological characteristics of bus fires in mainland China over the past 10 years to develop prevention strategies and emergency procedures for such incidence and the resulting casualties. Methods We collected reports on bus fires from the media and news websites and looked up on Medline, PubMed, and Chinese National Knowledge Infrastructure databases for relevant publications in English or Chinese from January 1, 2006 to December 31, 2015. Results In the past 10 years, there were 382 bus fires in mainland China. The frequency of fires was markedly higher in 2013 and 2014. The vast majority (89.1%) of the fires were caused by spontaneous combustion, followed by arson (5.0%). There were reports of casualties in 41 (10.7%) of the bus fires, including 144 deaths and 567 injuries. The fires leading to casualties resulted from spontaneous combustion in 22 (53.7%) incidents, arson in 12 (29.3%) incidents, and traffic accidents in 7 (17.1%) incidents. Arson caused the most casualties, including 91 deaths and 323 injuries. Conclusions This epidemiological study presents characteristic findings related to bus fires in China mainland. The general trend of bus fires showed a gradual increase but with a fluctuation in several years. The regional distribution of bus fires revealed some specific characteristics, and most of bus fires happened in those regions locating in the eastern area of China mainland. The largest number of bus fires were caused by spontaneous combustion. Bus fires caused by arson accounting for only 5% of the total bus fires resulted in the most severe casualties. Most of bus arson occurred in the morning and evening rush hours.