Publications by authors named "Tadeusz Grochowiecki"

Background: Long-lasting diabetes mellitus type 1 and end-stage renal disease induce severe metabolic and immunologic deterioration. Pretransplant C-reactive protein (CRP) and albumin (ALB) levels impact kidney transplantation. We evaluated the effects of preoperative CRP, ALB, neutrophils (NEU), and platelet (PLT) counts on 1- and 5-year recipient survival after simultaneous pancreas and kidney transplantation (SPK).

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Background: Pre-transplantation dialysis duration and modality may affect patients' long-term (mortality and graft failure) and short-term (delayed graft function) outcomes after kidney transplantation. We aimed to assess the impact of the method and duration of dialysis therapy on the graft function in the first 6 months post-transplant.

Methods: The analysis included 122 kidney transplant patients (109 from a deceased donor and 13 from a living donor).

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Article Synopsis
  • This study focuses on the role of Neutrophil Extracellular Traps (NETs) in the development of thoracoabdominal aortic aneurysms and how they are influenced during surgery involving stent-graft implantation.
  • It involved 20 patients and assessed NETosis markers (dsDNA, ssDNA, and Cit-H3) before and after surgery to evaluate inflammation and coagulation responses.
  • The results indicated an increase in NET markers after surgery, highlighting their significance in the inflammatory response, and introduced ssDNA as a new marker for NETosis.*
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Background: Kidney transplant is the preferred treatment for most patients with end-stage renal disease. Because dialyzed patients often have significant comorbidities or multimorbidities, they should be carefully evaluated before being waitlisted for transplant. The COVID-19 pandemic presents a major challenge for surgery, including transplant surgery.

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Transplant renal artery stenosis (TRAS) constitutes 75% of all vascular complications in kidney transplant recipients, being a significant source of graft dysfunction and loss. TRAS is a heterogeneous disease with different risk factors and causes. The incidence differs greatly, and it is likely it will increase because of the aging population of potential recipients and donors of renal grafts and the expanding use of extended-criteria donors.

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The pathogenesis of the aortic aneurysm (AA) includes several mechanisms, such as chronic sterile inflammation and homeostasis imbalance, with arteriosclerosis, hemodynamic forces, and genetic factors. In addition to the roles of these processes in the development of AA, neutrophilic activity may play a pivotal role (mostly in inflammation and thrombus formation). Neutrophils, which play a crucial role in innate immunity, can release neutrophil extracellular traps (NETs), one of the mechanisms against fighting pathogens, beside phagocytosis and degranulation.

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Introduction: Hypopharyngeal cancer accounts for 3-5% of all squamous-cell carcinoma (SCC) of the head and neck and has one of the worst prognoses. The aim of the study was to evaluate oncologic and functional treatment outcomes in patients with T3-T4a squamous cell hypopharyngeal and laryngeal cancer.

Material And Methods: Retrospective analysis of the material from one treatment site included 90 patients (81 male, 9 female) who had undergone surgery between 1986 and 2010.

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BACKGROUND Pre-procurement pancreas suitability score (P-PASS) and pancreas donor risk (PDRI) index are scoring systems believed to predict suitability of pancreatic grafts. Most European countries and the United States apply PDRI, while Poltransplant keeps using P-PASS: more than 16 points raises a red flag for graft use. Recent data discourage use of PDRI to predict pancreas graft survival.

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INTRODUCTION    Antibodies against donor human leukocyte antigens (HLAs) play a significant role in the pathogenesis of antibody‑mediated rejection, although their relevance during the late posttransplant period is unknown. A non‑HLA polymorphic antigenic system, like major histocompatibility class I chain‑related antigen A (MICA), might be another target for antibody responses involved in rejection. OBJECTIVES    We conducted a 7‑year prospective study to determine the effect of positivity for anti‑HLA and anti‑MICA antibodies on kidney graft survival.

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Introduction: The advantages of a minimally invasive nephrectomy are a faster recovery and better quality of life for the donors. Until recently, the majority of donor nephrectomies in Poland were done by open surgery.

Aim: To present a single centre experience in hand-assisted laparoscopic donor nephrectomy (HALDN).

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Objectives: The feasibility and timing of corticosteroid elimination and its impact on lipid metabolism in simultaneous pancreas and preemptive kidney transplantation were examined.

Material And Methods: A retrospective study was conducted on 14 recipients of pancreas and preemptive kidney grafts transplanted form April 2003 to March 2004. All recipients received ATG induction.

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Simultaneous pancreas and kidney transplantation (spktx) is currently the most effective method of treatment of type 1 diabetes complicated by renal insufficiency. The first successful spktx in Poland was performed in the Department of General, Vascular and Transplant Surgery of the Warsaw Medical University on the 4th of February 1988. Since then 70 spktx were performed in our Department.

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Objective: A cohort study was conducted to compare treatment of patients with type 1 diabetes mellitus and end-stage diabetic nephropathy.

Patients And Methods: 47 type 1 diabetic patients required renal replacement therapy in years: 2001-2005 were enrolled. Simultaneous pancreas and preemptive kidney transplant (sppktx) was performed in 18 (group I).

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A matched case-control study was performed to compare the prognosis of six renal transplant recipients with a control group of non-transplant patients, both groups presenting with native kidney tumors. Patients were matched for age, gender, neoplasm histology, and TNM classification. The follow-up ranged from 8 to 131 months (median 32 months) after nephrectomy or nephroureterectomy of the native kidney.

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