Publications by authors named "Aleksander Konturek"

Unlabelled: Anthocyanins are a group of organic compounds believed to show anti-inflammatory, anti-proliferative, antioxidant, pro-apoptotic effects. For these reasons, anthocyanins may potentially be lied in the cancer chemoprevention as well as in providing a metabolic support during oncological treatment.

Objective: The aim of this study is to compare the antioxidant activity and analyze the content of bioactive substances in selected freeze-dried fruit species in order to determine the optimal source of anthocyanins for subsequent clinical trials involving patients undergoing treatment for colon cancer.

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Objective: To compare two modes of NIM Vital application in thyroid surgery: NerveTrendTM vs. NerveAssureTM with respect to the prevalence of postoperative recurrent laryngeal nerve (RLN) injury.

Background: The use of NerveTrendTM compared to intermittent neuromonitoring (i-IONM) in thyroid surgery has recently been reported to result in a tendency towards reduced RLN injury on postoperative day 1 (POD1) and a significant decrease in the need for staged thyroidectomy.

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Primary hyperparathyroidism (PHPT) is rare in children but exhibits a more dynamic course than in adults, often leading to multiorgan complications if diagnosis is delayed. This article aims to highlight diagnostic challenges of parathyroid adenomas in children and discuss associated complications from delayed diagnosis. Three boys, aged 15.

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: Our study investigated the association between chronic lymphocytic thyroiditis (CLT) and thyroid cancer (TC). : A retrospective review of 1670 patients who underwent thyroid surgery between October 2022 to February 2025 was performed. The clinicopathological characteristics of patients with TC and CLT were collected.

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An accurate diagnosis of thyroid nodules is crucial for avoiding unnecessary surgical procedures and making timely treatment possible. The objective of the present study was to evaluate the diagnostic accuracy of fine-needle aspiration biopsy (FNAB) using histopathological findings as the reference standard. Patients with the diagnostic categories (DCs) III, IV, and V were subjected to special analysis.

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Background: The aim of this study was to validate in 20-year follow-up (FU) the outcomes reported in World J Surg 2010; 34(6):1232-8 on recurrent nodular goiter in the contralateral thyroid lobe among patients after thyroid lobectomy (TL) for multinodular goiter (MNG) receiving versus not receiving postoperative prophylactic levothyroxine (LT4) treatment.

Methods: Some 150 consenting patients underwent TL for MNG in 2000-2003. They were randomized to two groups, 75 patients each: (a) receiving prophylactic LT4 treatment postoperatively (dose range 75-125 microg/day to maintain thyroid-stimulating hormone values within 0.

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Background: The aim of this study was to test the hypothesis that use of NerveTrend™ mode of intermittent neuromonitoring (i-IONM) during thyroidectomy may identify and prevent impending recurrent laryngeal nerve (RLN) injury.

Methods: A randomized clinical trial. The primary outcome was prevalence of RLN injury on postoperative day 1.

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Introduction: Correct surgical technique and perioperative care are two factors that can reduce the number of complications, improve treatment outcomes and shorten the length of hospital stay. The introduction of enhanced recovery protocols has changed the approach to patient care in some centers. However, there are significant differences among centers, and in some the standard of care has remained unchanged.

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The guidelines Thyroid Cancer 2022 are prepared based on previous Polish recommendations updated in 2018. They consider international guidelines - American Thyroid Association (ATA) 2015 and National Comprehensive Cancer Network (NCCN); however, they are adapted according to the ADAPTE process. The strength of the recommendations and the quality of the scientific evidence are assessed according to the GRADE system and the ATA 2015 and NCCN recommendations.

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Intraoperative neural monitoring (IONM) is now an integral aspect of thyroid surgery in many centers. Interest in IONM and the number of institutions that perform monitored thyroidectomies have increased throughout the world in recent years. For surgeons considering the introduction of IONM in their practice, specific training in IONM devices and procedures can substantially shorten the learning curve.

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Abstract: Primary hyperparathyroidism (PHP) in children is a rare condition and has a very dynamic course with nonspecific symptoms, what complicates the diagnosis and delays PHP treatment.

Case Presentation: A 15-year-old boy was admitted to the Orthopedic Ward with the diagnosis of juvenile bilateral slipped capital femoral epiphysis and valgus deformities. Gait disturbances, limb pains and valgus knee deformities, polyuria, polydipsia and weight loss, have been increasing for 8 months.

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The evolution of operative techniques in thyroid surgery that has taken place over the past several decades would not have been possible if not for a sui generis revolution in surgery at the turn of the 19th and 20th centuries. The three most important events of the end of the 19th century, i.e.

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Background: In recent years well-recognized scientific societies introduced guidelines for ultrasound (US) malignancy risk stratification of thyroid nodules. These guidelines categorize the risk of malignancy in relation to a combination of several US features. Based on these US image lexicons an US-based computer-aided diagnosis (CAD) systems were developed.

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Background: The aim of this study was to validate in a 10-year follow-up the initial outcomes of various thyroid resection methods for multinodular non-toxic goiter (MNG) reported in World J Surg 2010;34:1203-13.

Materials And Methods: Six hundred consenting patients with MNG were randomized to three groups of 200 patients each: total thyroidectomy (TT), Dunhill operation (DO), bilateral subtotal thyroidectomy (BST). Obligatory follow-up period of 60 months was extended up to 120 months for all the consenting patients.

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Aim: The aim of this study was to evaluate the outcomes of surgery for patients with secondary renal hyperparathyroidism (rHPT).

Methods: This is a retrospective cohort study. Our institutional database was searched for eligible patients treated in 1995-2014.

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Background: Older patients experience a higher incidence of postoperative complications after cholecystectomy compared with younger patients. However, most studies have not considered patient frailty, particularly regarding emergency cholecystectomy. The aim of this prospective study was to evaluate outcomes in frail older patients eligible for elective and emergency cholecystectomy.

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Introduction: Thyroid cancer (TC) incidence has been increasing in recent years. The aim of this study was to investigate our institution-based estimates of operative volumes for TC over the last three decades.

Materials And Methods: This was a retrospective cohort study of patients undergoing thyroid surgery at our institution.

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Background: Few small studies reported that motor fibers are located exclusively in the anterior branch of the bifid recurrent laryngeal nerve (RLN). The aim of this study was to investigate the location of the motor fibers to the intrinsic muscles of the larynx among the bifid RLNs, and assess the prevalence of RLN injury with respect to nerve branching in a pragmatic trial.

Methods: This was a prospective cohort study of 1250 patients who underwent total thyroidectomy with intraoperative neural monitoring.

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Objective: To test if posterior retroperitoneoscopic adrenalectomy (PRA) is superior to lateral transperitoneal laparoscopic adrenalectomy (LTLA).

Background: Most popular LTLA has been recently challenged by an increasing popularity of PRA, which is believed by many surgeons (not evidence-based) as superior to LTLA in the treatment of small and benign adrenal tumors.

Methods: Participants were assigned randomly to PRA or LTLA and followed for 5 years after surgery.

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Aims: The aim of this study was to evaluate the risk factors of lymph nodes metastases (LNM) in patients with papillary thyroid cancer (PTC) and coexisting Hashimoto's thyroiditis (HT).

Patients And Methods: This was a retrospective cohort study of patients with PTC and HT who had undergone total thyroidectomy (TT) with central neck dissection (CND) over an 11-year period (between 2002 and 2012). Pathological reports of all eligible patients were reviewed.

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Purpose: The aim of this study was to examine risk factors for nodal recurrence in the lateral neck (NRLN) in patients with papillary thyroid cancer (PTC) who underwent total thyroidectomy with prophylactic central neck dissection (TT + pCND).

Methods: This was a retrospective cohort study of patients with PTC who underwent TT + pCND. Data of all patients treated over a 10-year period (between 1998 and 2007) were analysed.

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Background: The prevalence of recurrent laryngeal nerve (RLN) injury is higher in repeat than in primary thyroid operations. The use of intraoperative nerve monitoring (IONM) as an aid in dissection of the scar tissue is believed to minimize the risk of nerve injury. The aim of this study was to examine whether the use of IONM in thyroid reoperations can reduce the prevalence of RLN injury.

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Introduction: The aim of this study was to compare staging of incidentally diagnosed thyroid cancer (TC) to staging of preoperatively suspected TC.

Methods: This was a retrospective study of 224 patients who underwent surgery for primary TC between 2009 and 2011. Clinical and pathological data included in the TNM and AJCC staging system (7th edition, 2010) were analysed.

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Introduction: Thyroidectomy is among the most commonly performed procedures involving the endocrine glands and the development of advanced surgical methods combined with a strife for performing the operation in a manner that is minimally invasive for the patient has considerably increased the need for instruments that would limit surgical trauma.

Aim: To compare of the outcomes of total thyroidectomy operations with and without the use of ultrasonic harmonic FOCUS dissecting shears.

Material And Methods: Eighty-two patients with a bilateral, non-toxic multinodular goiter were randomized to two groups of 41 patients each.

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Synopsis of recent research by authors named "Aleksander Konturek"

  • - Aleksander Konturek's recent research focuses on improving surgical outcomes through the use of advanced monitoring techniques and enhanced recovery protocols, particularly in thyroid and parathyroid surgeries.
  • - His studies, such as the clinical validation of NerveTrend™ for monitoring recurrent laryngeal nerve integrity, emphasize the importance of minimizing complications during high-risk procedures.
  • - Konturek also contributes to the development of clinical guidelines and recommendations, as seen in his work related to thyroid cancer and perioperative care, ensuring the integration of evidence-based practices in surgical settings.