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Early diagnosis of acute rejection is of significance for the protection of renal allograft function. Pathological puncture biopsy is the gold standard for the diagnosis of acute rejection of renal allografts. Nevertheless, it may provoke multiple complications, such as bleeding, infection and renal parenchymal injury, which limit its widespread application. In recent years, the sensitivity of contrast-enhanced ultrasound in the diagnosis of acute rejection has been constantly improved. Ultrasound-targeted microbubble technique has further enhanced the diagnostic specificity of contrast-enhanced ultrasound, making it possible to replace pathological puncture biopsy. Besides, in the field of acute rejection treatment, microbubble ultrasonic cavitation may promote local delivery of immunosuppressants by inducing sonoporation and exhibit anti-rejection effect. In this article, the application of contrast-enhanced ultrasound in the diagnosis and treatment of acute rejection after kidney transplantation was reviewed, aiming to provide reference for widespread application of contrast-enhanced ultrasound in kidney transplantation.
ABSTRACT
Patients infected with human immunodeficiency virus (HIV) are prone to renal insufficiency, which may progress into end-stage renal disease (ESRD). HIV infection has been previously considered as an absolute contraindication of transplantation. The lives of HIV-positive ESRD patients can only maintained through dialysis. With the development of medicine, transplantation practitioners at home and abroad attempt to perform kidney transplantation in HIV-positive patients. Whether kidney transplantation is feasible for HIV-positive patients, whether HIV-positive donor kidneys can be used for transplantation, and the efficacy of kidney transplantation for HIV-positive patients has always been hot topics in the field of transplantation. In this article, HIV-associated nephropathy, the conditions of kidney transplantation for HIV-positive patients, the efficacy of kidney transplantation for HIV-positive patients, use of HIV-positive donor kidneys, use of immune-inducing drugs and postoperative use of immunosuppressants for HIV-positive patients were illustrated, aiming to provide reference for kidney transplantation for HIV-positive patients in clinical practice, application of HIV-positive donor kidneys and postoperative management of HIV-positive patients.
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Objective To evaluate the curative efficacy of multimodality for severe pulmonary infection (SPI) following kidney transplantation (KT).Methods Fifty-seven cases of SPI following KT were treated with multimodality therapy in our hospital between Jan.2014 and Jan.2017.The outcome and data were analyzed and evaluated retrospectively.Results Of these 57 patients,45 cases were cured (41 cases were alive with functioning grafts,and 4 cases had grafts loss).The pulmonary lesions in 4 cases of pulmonary fungal infection were improved and oral anti-fungal drugs were continuously given after discharge.The symptoms in one case of tuberculosis were obviously improved and anti-tuberculosis treatment was given continuously after discharge.There were 5 deaths,including 2 deaths due to functioning grafts loss.Two cases abandoned treatment during therapy because of financial problem.Pathogens could be detected in only 29 cases.Conclusion SPI after KT is an acute important complication with rapid progression.Early and prompt treatment with combined antibiotics,antifungal drugs as well as antivirus is essential.The keys to successful rescue for SPI should also include immunosuppressant reduction,intravenous immunoglobulin and nutrition support.The combined therapy is successful and could reduce mortality of SPI obviously.
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In the information era, Internet has become the main channel for health and family planning net-work opinion for the public health monitoring. This paper outlines the general situation of the public opinion of online health and family planning based on the monitoring analysis conducted in 2015 . It also studies the characteristics of the aforesaid public opinion, and analyzes and evaluates the focus of the public opinion of hygiene and family plan-ning. Based on this, further suggestions on the promotion of health and family planning were put forward.
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[Objective] To investigate the incidence and risk factors for posttransplantation anemia (PTA) following kidney transplantation. [Methods] A retrospective cohort study reviewing the medical records of the patients who received a renal transplant at our center from January 2004 to June 2008 was performed. All possible risk factors for PTA were recorded. Outcomes among the patients with PTA were compared with those without PTA using t-test and chi-square analysis methods. Logistic regression analysis was done to rank the relative risk of potential variables and calculate the 95% CI. [Results] Prevalence of PTA in our center was 31.0% (hemoglobin <120 g/L or Hct< 0.38 for males, < 110 g/L or Hct < 0.35 for males). Univariate and Logistic regression analysis revealed that the risk factors for PTA after kidney transplantation were female (RR=8.738; 95%CI 2.558～29.853; P= 0.001), creatinine level (RR=1.035; 95%CI 1.018～1.052; P<0.001) and acute rejection (RR=19.827; 95%CI 2.056～191.19; P=0.01); [Conclusions] PTA is a frequent complication after kidney transplantation. Great attention should be paid to this complication considering its negative effect on graft function. Female, impaired renal function and acute rejection are risk factors of anemia in kidney transplantation recipients.
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16,95% CI 0.074-0.628 ,P<0.05) and diabetes mellitus history(RR=3.023,95% CI 0.998-9.157,P≤0.05).
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Objective To explore the risk factors, di ag nosis and treatment of renal pelvis and ureter cancer after surgery of bladder c ancer. Methods The clinical data of 13 patients (9 males and 4 females) with renal pelvis and ureter cancer after surgical operation of bladder cancer were retrospectively analyzed.Among them renal pelvis cancer was diagnosed in 9 cases;ureter cancer in 4.Clinical manifestations consisted of gro ss hematuria with flank pain in 11 cases,suspected renal pelvis cancer by ultras ound (US) in 2. Results Among the 13 patients,US,intrave nous urography (IVU) and CT located the focus exactly in 10,8 and all the 13 cas es,respectively.Upper urinary obstruction was diagnosed by US and IVU in 13 and 8 cases,respectively.No image was developed by IVU in 5 cases.CT located the foc us exactly in all the 13 cases;of them 11 cases were definitely diagnosed.Overal l,13 cases were cured and alive during the follow-up period. No recurrence or m etastasis developed.Renal dysfunction occurred in only 1 case (Cr,285 ?mol/L) d ue to the contralateral renal stones. Conclusions Multif ocal bladder cancer and cancerogenic tendency of urothelium may be the risk fact ors of this disease.IVU combined with US is the main diagnostic method for the d isease.CT is recommended for the further examination.Nephroureterectomy is the p referred treatment choice for this disease.