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1.
Tadafumi Asaoka Atsushi Miyamoto Sakae Maeda Naoki Hama Masanori Tsujie Masataka Ikeda Mitsugu Sekimoto Shoji Nakamori 《Hepatobiliary & pancreatic diseases international : HBPD INT》2018,17(1):75-80
Background: In general, para-aortic lymph node(LN16) metastasis has been considered as a contraindication for pancreatic resection. However, some pancreatic cancer patients with LN16 metastasis have been reported to survive for longer than expected after pancreatectomy. The purpose of this study was to determine whether pancreatic cancer patients with LN16 metastasis might benefit from surgery.Methods: We retrospectively reviewed 201 consecutive patients with invasive pancreatic ductal adenocarcinoma who underwent surgery at Osaka National Hospital between April 2003 and December 2012.These patients included 22 patients with LN16 metastasis who underwent an extended lymphadenectomy and 25 patients who underwent a palliative surgical biliary and gastric bypass. The clinicopathological data and outcomes were evaluated using univariate and multivariate analyses.Results: The overall survival of the patients with LN16 metastasis was poorer than that of the LN16-negative patients(P = 0.0014). An overall survival analysis of the LN16-positive patients stratified according to the preoperative CA19-9 level showed a significant difference between patients with a low preoperative CA19-9 level(≤360 U/mL) and those with a high preoperative CA19-9 level(360 U/mL)(P = 0.0301). No significant difference in overall survival of patients was observed between those with LN16 positivity and those who underwent bypass surgery. However, the overall survival of the LN16-positive patients with a CA19-9 level ≤360 U/mL(n = 11) was significantly higher than that of those who underwent bypass surgery(P = 0.0452).Conclusion: Surgical resection and extended lymphadenectomy remains an option for pancreatic cancer patients with LN16-positivity whose CA19-9 level is ≤360 U/mL. 相似文献
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3.
Jin Xu Shun-Rong Ji Bo Zhang Quan-Xing Ni Xian-Jun Yu 《Hepatobiliary & pancreatic diseases international : HBPD INT》2018,17(1):22-26
Background: The postoperative pancreatic fistula rate remains approximately 10–20% even in institutions treating a high-volume of pancreatic cases. The best strategy to restore the continuity between the pancreatic remnant and the digestive tract is still in debate.Data sources: Studies were identified by searching Pub Med for studies published between January 1934 (when pancreaticogastrostomy was technically feasible) and December 2016. The following search terms were used: "duct-to-mucosa", "invagination", "pancreaticojejunostomy", "pancreaticogastrostomy," and"pancreaticoduodenectomy". The search was limited to English publications.Results: Many technical methods have been developed and optimized to restore pancreaticoenteric continuity, including pancreaticojejunostomy, pancreaticogastrostomy, and stented drainage of the pancreatic duct, among other modifications. Researchers have also attempted to decrease the postoperative pancreatic fistula after pancreaticoduodenectomy by using fibrin glue and somatostatin analogues. However, no significant decrease in postoperative pancreatic fistula has been observed in most of these studies, and only an external pancreatic duct stent has been found to decrease the leakage rate of pancreatic anastomosis after pancreaticojejunostomy.Conclusion: Pancreatic surgeons should choose a suitable technique according to the characteristics of individual cases. 相似文献
4.
Lucila M Perrotta de Souza Jessica PL Moreira Homero S Fogaça José Marcus Raso Eulálio Ronir R Luiz Heitor SP de Souza 《Hepatobiliary & pancreatic diseases international : HBPD INT》2019,18(1):79-86
Background
Currently, surgical resection represents the only curative treatment for pancreatic cancer (PC), however, the majority of tumors are no longer resectable by the time of diagnosis. The aim of this study was to describe time trends and distribution of pancreaticoduodenectomies (PDs) performed for treating PC in Brazil in recent years.Methods
Data were retrospectively obtained from Brazilian Health Public System (namely DATASUS) regarding hospitalizations for PC and PD in Brazil from January 2008 to December 2015. PC and PD rates and their mortalities were estimated from DATASUS hospitalizations and analyzed for age, gender and demographic characteristics.Results
A total of 2364 PDs were retrieved. Albeit PC incidence more than doubled, the number of PDs increased only 37%. Most PDs were performed in men (52.2%) and patients between 50 and 69 years old (59.5%). Patients not surgically treated and those 70 years or older had the highest in-hospital mortality rates. The most developed regions (Southeast and South) as well as large metropolitan integrated municipalities registered 76.2% and 54.8% of the procedures, respectively. LMIM PD mortality fluctuated, ranging from 13.6% in 2008 to 11.8% in 2015.Conclusions
This study suggests a trend towards regionalization and volume-outcome relationships for PD due to PC, as large metropolitan integrated municipalities registered most of the PDs and more stable mortality rates. The substantial differences between PD and PC increasing rates reveals a limiting step on the health system resoluteness. Reduction in the number of hospital beds and late access to hospitalization, despite improvement in diagnostic methods, could at least in part explain these findings. 相似文献5.
Stefanos Despotopoulos Anastasios Roumeliotis Nicholas G. Kounis Grigorios Tsigkas George Hahalis Periklis Davlouros 《Heart & lung : the journal of critical care》2019,48(2):138-140
Background
Kounis syndrome is a systemic complication following an allergic reaction, presenting with coronary artery spasm or thrombosis and occasionally with stent thrombosis that can have fatal outcome.Objectives
Heparins can induce allergic reactions via tissue antigenicity, heparin induced thrombocytopenia and contact system-activating effects of contaminants but allergy bivalirudin has not been reported so far.Methods
Herein, we describe a patient with fatal acute coronary in-stent thrombosis following an allergic reaction soon after an intra-arterial heparin dose and intravenous administration of bivalirudin during angioplasty.Results
The patient received intense myocardial infarction protocol treatment including angioplasty and defibillation together with antiallergic therapy but despite all of these efforts and measures, he succumbed 2 h later.Conclusions
Significant suspicion should be raised that life saving drugs such as heparin and bivalirudin could join forces with concurrent medication acting as antigens and induce fulminant and fatal stent thrombosis as a manifestation of Kounis syndrome 相似文献6.
Xianghui Zheng Yang Zheng Jing Ma Maomao Zhang Yongxiang Zhang Xianglan Liu Liangqi Chen Qingyuan Yang Yong Sun Jian Wu Bo Yu 《Heart & lung : the journal of critical care》2019,48(1):1-7
Background
Cardiac rehabilitation (CR) has been shown to provide the best social, psychological and physical conditions for patient recovery after myocardial infarction (MI).Objectives
The aim of present study was to quantify the efficacy of exercise-based CR treatments in terms of relief from symptoms of anxiety and depression symptoms among patients with MI.Methods
Literature published up to August 2017 was reviewed systematically using relevant keywords, MeSH terms, and Emtree headings to search PubMed, Embase, CINAHL (Ebsco), Cochrane Central Register of Controlled Trials (CENTRAL) and Web of Science. The results of included studies were compared meta-analytically.Results
We found that exercise-based CR had a significant effect on decreasing anxiety and depression scores. Furthermore, exercise-based CR may alleviate anxiety and depressive symptoms at different time periods.Conclusions
For patients with MI, exercise-based CR has been demonstrated to alleviate anxiety and depressive symptoms. These findings highlight CR as essential and beneficial for minimizing MI patient anxiety and depression during recovery. 相似文献7.
Ruohui Wang Changkun Pan Xiaokun Wang Feng Xu Shuang Jiang Ming Li 《Heart & lung : the journal of critical care》2019,48(1):46-54
Background
The optimal timing of tracheotomy in critically ill ventilated patients remains controversial.Objectives
The objective of this meta-analysis was to assess tracheotomy timing for critically ill ventilated patients and determine the outcomes’ reliability.Methods
We searched PubMed, Embase, and the Cochrane Library for randomized controlled trials.Results
Compared with late tracheotomy, early tracheotomy presented a lower incidence of ventilator-associated pneumonia (VAP), shorter duration of mechanical ventilation (MV), and shorter intensive care unit (ICU) stay. However, trial sequential analysis (TSA), a kind of cumulative meta-analysis, indicated that the evidence was unreliable and inconclusive.Conclusions
The Findings suggest that early tracheotomy seems to be associated with a lower incidence of VAP, shorter duration of MV, shorter duration of sedation, and shorter ICU stay. However, the apparent benefits revealed in traditional meta-analysis contrast with the post-TSA results. More fully powered, randomized controlled trials focused on the outcomes of tracheotomy are highly warranted. 相似文献8.
Dong Kyu Oh Jong-Min Song Duk-Woo Park Sang Young Oh Jin-Sook Ryu Jaewon Lee Sang Do Lee Jae Seung Lee 《Heart & lung : the journal of critical care》2019,48(1):28-33
Background
Although guidelines have recommended that patients with chronic thromboembolic pulmonary hypertension (CTEPH) should be managed by a multidisciplinary team (MDT), there is a lack of clinical data indicating that the MDT improves CTEPH management.Objectives
The study aimed to identify the effect of an MDT on CTEPH management.Methods
We divided the study period into pre-MDT and post-MDT eras and compared the implementation rates of major diagnostic and therapeutic procedures.Results
Of 116 patients with CTEPH, 42 (36.2%) were diagnosed in the post-MDT era. The implementation rates of right heart catheterization (10.8% vs. 97.6%, p < 0.001) and pulmonary endarterectomy (32.4% vs. 59.5%, p < 0.005) were significantly increased in the post-MDT era. Balloon pulmonary angioplasty was not performed in the pre-MDT era but was performed in the post-MDT era.Conclusions
The MDT appears to be associated with improved CTEPH management. 相似文献9.
Beatriz S. Ribeiro Agnaldo J. Lopes Sara L.S. Menezes Fernando S. Guimarães 《Heart & lung : the journal of critical care》2019,48(1):39-45
Background
Ventilator hyperinflation (VHI) is effective in improving respiratory mechanics, secretion removal, and gas exchange in mechanically ventilated subjects; however, there are no recommendations for the best ventilator settings to perform the technique.Objective
To compare six modes of VHI, concerning physiological markers of efficacy and safety criteria to support the selection of optimal settings.Methods
Thirty mechanically ventilated patients underwent six modes of VHI in a randomized order. The delivered volume, expiratory flow bias criteria, overdistension, patient–ventilator asynchronies and hemodynamic variables were assessed during the interventions.Results
Volume-controlled ventilation with inspiratory flow of 20 lpm (VC-CMV20) and pressure support ventilation (PSV) achieved the best effectiveness scores (P?<?0.05). The target peak pressure of 40 cmH2O was associated with a high incidence of overdistension. PSV showed a lower incidence of patient–ventilator asynchronies.Conclusions
The modes VC-CMV20 and PSV are the most effective for VHI. Alveolar overdistension and patient–ventilator asynchronies must be considered when applying VHI. 相似文献10.
Hui Du Li Zhang Guangyao Li Wei Liu Wenqiang Tang Hangfan Zhang Jing Luan Lei Gao Xin Wang 《The American journal of the medical sciences》2019,357(4):302-310
Background
A few studies have evaluated the expression of chemokine receptors CXCR4 and CCR7 in diffuse large B-cell lymphoma (DLBCL); however, the association between CXCR4 and CCR7 with bone marrow (BM) involvement and their synergistic effect on prognosis is still unclear. Our study investigated this aspect.Methods
Specimens were obtained from 61 primary nodal DLBCL patients and 100 reactive proliferative lymphadenitis patients. CXCR4 and CCR7 expression levels were examined by immunohistochemical staining; the relationship between these levels and clinical parameters and the differences in overall survival were analyzed.Results
CXCR4 and CCR7 overexpression was observed in the malignant lymph node tissues from most DLBCL patients. CCR7 expression was significantly higher in the non-GCB than the GCB subtype; CXCR4 positivity rates showed no significant difference between the 2 subtypes. In DLBCL patients with BM involvement, CXCR4 was overexpressed in almost all BM samples, but CCR7 expression was low in BM. CXCR4 overexpression was associated with advanced Ann Arbor stages, MYC overexpression, and increased extranodal infiltration; CCR7 was associated with advanced Ann Arbor stages and elevated LDH. Like the case for CCR7, the survival rate of CXCR4-positive DLBCL patients was significantly lower than that of the CXCR4-negative patients. CXCR4+CCR7+ patients had the lowest survival rate.Conclusions
There is a positive correlation between CXCR4 overexpression and BM involvement. CXCR4 and CCR7 overexpression is associated with poorer overall survival, especially in CXCR4 and CCR7 copositive patients. CXCR4, CCR7, Ki-67 index, and MYC were independent prognostic factors for DLBCL. Blocking CXCR4 and/or CCR7 can be a novel therapeutic strategy for DLBCL. 相似文献11.
Adelita Tinoco David W. Mortara Xiao Hu Cass Piper Sandoval Michele M. Pelter 《Heart & lung : the journal of critical care》2019,48(2):114-120
Background
Cheyne-Stokes respiration and periodic breathing (CSRPB) have not been studied sufficiently in the intensive care unit setting (ICU).Objectives
To determine whether CSRPB is associated with adverse outcomes in ICU patients.Methods
The ICU group was divided into quartiles by CSRPB (86 patients in quartile 1 had the least CSRPB and 85 patients in quartile 4 had the most CSRPB). Adverse outcomes (emergent intubation, cardiorespiratory arrest, inpatient mortality and the composite of all) were compared between patients with most CSRPB (quartile 4) and those with least CSRPB (quartile 1).Results
ICU patients in quartile 4 had a higher proportion of cardiorespiratory arrests (5% versus 0%, (p=.042), and more adverse events over all (19% versus 8%, p=.041) as compared to patients in quartile 1.Conclusions
CSRPB can be measured in the ICU and it's severity is associated with adverse outcomes in critically ill patients. 相似文献12.
Ayman El Nakeeb Mohamed El Sorogy Hosam Hamed Rami Said Mohamad Elrefai Helmy Ezzat Waleed Askar Ahmed M Elsabbagh 《Hepatobiliary & pancreatic diseases international : HBPD INT》2019,18(1):67-72
Background
Few studies investigated biliary leakage after pancreaticoduodenectomy (PD) especially when compared to postoperative pancreatic fistula (POPF). This study was to determine the incidence of biliary leakage after PD, predisposing factors of biliary leakage, and its management.Methods
We retrospectively studied all patients who underwent PD from January 2008 to December 2017 at Gastrointestinal Surgery Center, Mansoura University, Egypt. According to occurrence of postoperative biliary leakage, patients were divided into two groups. Group (1) included patients who developed biliary leakage and group (2) included patients without identified biliary leakage. The preoperative data, operative details, and postoperative morbidity and mortality were analyzed.Results
The study included 555 patients. Forty-four patients (7.9%) developed biliary leakage. Ten patients (1.8%) had concomitant POPF. Multivariate analysis identified obesity and time needed for hepaticojejunostomy reconstruction as independent risk factors of biliary leakage, and no history of preoperative endoscopic retrograde cholangiopancreatiography (ERCP) as protective factor. Biliary leakage from hepaticojejunostomy after PD leads to a significant increase in development of delayed gastric emptying, and wound infection. The median hospital stay and time to resume oral intake were significantly greater in the biliary leakage group. Non-surgical management was needed in 40 patients (90.9%). Only 4 patients (9.1%) required re-exploration due to biliary peritonitis and associated POPF. The mortality rate in the biliary leakage group was significantly higher than that of the non-biliary leakage group (6.8% vs 3.9%, P = 0.05).Conclusions
Obesity and time needed for hepaticojejunostomy reconstruction are independent risk factors of biliary leakage, and no history of preoperative ERCP is protective factor. Biliary leakage increases the risk of morbidity and mortality especially if concomitant with POPF. However, biliary leakage can be conservatively managed in majority of cases. 相似文献13.
Ming Shen Li-Zhi Bao Xing Zheng Xian-Xian Zhao Zhi-Fu Guo 《The American journal of the medical sciences》2019,357(3):247-254
Background
Previous studies have found that obestatin significantly inhibited water drinking and reduced the arginine vasopressin levels in the brain to decrease renal water reabsorption. However, obestatin is unable to cross the blood-brain barrier. Its effect on the body's kidney water metabolism in peripheral remains unknown.Materials and Methods
Expression and subcellular distribution of aquaporin 2 (AQP2) were detected by immunoblotting and immunofluorescence in mouse inner medullary collecting duct-3 (mIMCD-3) cells and congestive heart failure model rats. Moreover, expression of phosphorylated AQP2 (P-AQP2; Ser256) in mIMCD-3 cells was evaluated by immunoblotting.Results
After a 30-minute treatment with obestatin in mIMCD-3 cells and congestive heart failure model rats, the AQP2 plasma membrane distribution decreased, while AQP2 protein level, P-AQP2 (Ser256) protein level and phosphorylation ratio of AQP2 showed no significant change.Conclusions
These findings suggest that obestatin has a short-term regulatory effect on the AQP2 plasma membrane distribution. In addition, obestatin decreases the APQ2 plasma membrane distribution probably by promoting the endocytosis of AQP2. 相似文献14.
Background
There is a deleterious association between sedentary behavior and mortality risk factors. Elevated sedentary time has been reported in several studies that involved cardiac rehabilitation (CR) participants.Objectives
To examine the changes in sedentary behavior, breaks in sedentary time, and physical activity (PA) in CR participants.Methods
This was a prospective repeated measures study. Sedentary behavior and PA were assessed using accelerometer at baseline, 12 weeks, and 6 months after CR entry.Results
At 12 weeks, participants (n?=?58) spent more time in moderate-vigorous PA (MVPA) and tended to be less sedentary. However, the changes were lost by 6 month follow-up. Although the majority of participants met the recommended MVPA, our participants demonstrated elevated sedentary time. We found a strong positive correlation between time in light PA and number of breaks in sedentary time; neither of which showed any changes over time.Conclusions
By promoting MVPA as their main target, current CR programs may have little impact on changing the elevated sedentary behavior of their participants. Further, interrupting sedentary time with light PA could be an achievable strategy to reduce sedentary behavior in CR participants. 相似文献15.
Melisa R. Chang Neha Chopra David Beenhouwer Matthew B. Goetz Guy W. Soo Hoo 《The American journal of medicine》2019,132(1):110-113
Background
There is limited data suggesting that recovery from severe pulmonary infection with Coccidioides may be hastened by the addition of systemic corticosteroids.Methods
We present a case report of 2 patients with persistent and progressive coccidioidomycosis who demonstrated a dramatic response to adjunctive corticosteroid therapy.Results
Both patients had Coccidioides immitis cultured from respiratory samples. One was a 69-year-old man who had been treated with combination fluconazole and liposomal amphotericin for over 6 weeks, with persistent fever and pneumonia. The other was a 61-year-old man treated with fluconazole and then amphotericin for 3 weeks, with progression to acute respiratory distress syndrome and shock. Both received short courses of intravenous methylprednisolone and recovered to be discharged home.Conclusions
As opposed to associated hypersensitivity, corticosteroid treatment in these cases was directed at modulating the ongoing destructive effects of unchecked inflammation. Rapid improvement was noted in both cases and raises the possibility that the addition of systemic corticosteroids may hasten recovery in patients with severe coccidioidomycosis. 相似文献16.
Yi Xiao Zhe Geng Taoran Deng Di Wang Lijun Jiang 《The American journal of the medical sciences》2019,357(2):111-115
Background
Tumor necrosis factor receptor type 1-associated death domain protein (TRADD) mediates programmed cell death signaling as well as the Fas-induced cell death pathway. The downregulation of TRADD is found to be associated with the occurrence of many cancers. The present study was designed to investigate the association between TRADD and clinicopathologic features as well as its clinical significance in acute myeloid leukemia (AML).Methods
Real-time polymerase chain reaction was performed in 100 new AML, 23 AML complete remission patients, and 20 normal individuals. All statistical analysis was performed using SPSS software.Results
It was found that the expression of TRADD messenger RNA was lower in new AML patients as compared to healthy individuals and complete remission patients (P?=?0.00239). Moreover, TRADD messenger RNA levels were associated with clinical factors such as risk classification (P?=?0.0023) and complete remission (P?=?0.0147). Kaplan–Meier analysis revealed that the AML patients with high TRADD expression had significantly prolonged overall survival and higher complete remission compared with low TRADD expressing patients.Conclusions
It is concluded that downregulation of TRADD may be an independent potential prognostic biomarker in AML. 相似文献17.
Andreas Kroh Diane Uschner Toine Lodewick Roman M Eickhoff Wenzel Schöning Florian T Ulmer Ulf P Neumann Marcel Binnebösel 《Hepatobiliary & pancreatic diseases international : HBPD INT》2019,18(1):28-37
Background
Hepatocellular carcinoma is the most common innate liver tumor. Due to improved surgical techniques, even extended resections are feasible, and more patients can be treated with curative intent. As the liver is the central metabolic organ, preoperative metabolic assessment is crucial for risk stratification. Sarcopenia, obesity and sarcopenic obesity characterize body composition and metabolic status. Here we present the impact of body composition on survival after liver resection in patients with hepatocellular carcinoma.Methods
A retrospective database analysis of 70 patients who were assigned for liver resection due to hepatocellular carcinoma was conducted. For assessment of sarcopenia and obesity, skeletal muscle surface area was measured at lumbar vertebra 3 level (L3) in preoperative four-phase contrast enhanced abdominal CT scans, and L3 muscle index and body fat percentage were calculated.Results
Univariate analysis comparing the survival curves using the score test demonstrated superior postoperative overall survival for sarcopenic (P?=?0.035) and sarcopenic obese (P?=?0.048) patients as well as a trend favoring obese (P?=?0.130) subjects. Whereas multivariate analysis could not identify significant difference in postoperative survival regarding sarcopenia, obesity or sarcopenic obesity. Only large tumor size, multifocal disease and male gender were risk factors for long-term survival.Conclusions
Sarcopenia, obesity and sarcopenic obesity are indeed no risk factors for poor postoperative survival in this study. Our data do not support the evaluation of sarcopenia, obesity and sarcopenic obesity before liver resection in hepatocellular carcinoma patients. 相似文献18.
Jun Wen Tao Li Yi Lu Li-Ke Bie Biao Gong 《Hepatobiliary & pancreatic diseases international : HBPD INT》2019,18(1):73-78
Background
Precut sphincterotomy has been widely performed to facilitate selective biliary access when standard cannulation attempts failed during endoscopic retrograde cholangiopancreatography (ERCP). However, scarce data are available on different precut techniques for difficult biliary cannulation. This study aimed to evaluate the efficacy and safety of transpancreatic septotomy (TPS), needle-knife fistulotomy (NKF) or both based on the presence of unintentional pancreatic access and papillary morphology.Methods
Between March 2008 and December 2016, 157 consecutive patients undergoing precutting for an inaccessible bile duct during ERCP were identified. Precut techniques were chosen depending on repetitive inadvertent pancreatic cannulation and the papillary morphology. We retrospectively assessed the rates of cannulation success and procedure-related complications among three groups, namely TPS, NKF, and TPS followed by NKF.Results
The baseline characteristics of the three groups were comparable. The overall success rate of biliary cannulation reached 98.1%, including 111 of 113 (98.2%) with TPS, 35 of 36 (97.2%) with NKF and 8 of 8 (100%) with NKF following TPS, without significant difference among groups. The incidences of total complications and post-ERCP pancreatitis were 9.6% and 7.6%, respectively. There was a trend towards less frequent post-ERCP pancreatitis after NKF (0%) compared with 11 cases (9.7%) after TPS and one case (12.5%) after NKF following TPS, but not significantly different (P?=?0.07). No severe adverse event occurred during this study period.Conclusions
The choice of precut techniques by the presence of unintended pancreatic access and the papillary morphology brought about a high success rate without increasing risk in difficult biliary cannulation. 相似文献19.
Noelle V. Pavlovic Tania Randell Tim Madeira Steven Hsu Radoslav Zinoviev Martha Abshire 《Heart & lung : the journal of critical care》2019,48(2):90-104
Background
Left ventricular assist devices (LVADs) improve quality of life in end-stage heart failure but can cause serious complications such as infections with driveline infection causing significant morbidity and mortality.Objectives
The purpose of this systematic literature review is to synthesize the literature to determine variables associated with driveline infection and seek opportunities to improve nursing management of LVAD drivelines.Methods
A systematic literature review was performed. The evidence was synthesized using the Johns Hopkins Nursing Evidence-Based Practice tools and the Chain of Infection epidemiological framework.Results
Thirty-four studies focused on vulnerable host, portal of entry, and causative organism aspects of the Chain of Infection. Increased BMI, younger age, exposed driveline velour showed increased risk of infection and driveline dressing protocol change showed lower risk of infection.Conclusions
Although some risk factors for infection were identified, evidence is still limited. Nurses are uniquely positioned to improve driveline management, disrupting the chain of infection. 相似文献20.
LiangLiang Zhang Lija Joseph Jacob Joseph 《The American journal of the medical sciences》2019,357(2):151-159