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Parathyroid surgery

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https://www.readbyqxmd.com/read/28103657/-a-case-of-primary-hyperparathyroidism-complicated-with-hypercalcemic-crisis-during-treatment-with-cinacalcet-and-improved-by-active-treatment
#1
Tomoki Takeda, Atsushi Okada, Rei Unno, Yukihiro Umemoto, Keiichi Tozawa, Takahiro Yasui
A 77-year-old man was referred to our department for surgical treatment of a right ureteral stone identified on computed tomography (CT) during intensive examination for spondylolisthesis of L4-L5. At the initial visit, performance status was 4, and renal dysfunction was identified (Cr 1.3 mg/dl). Corrected calcium level was 11.8 mg/dl, and intact parathyroid hormone level was 555 pg/ml. A CT scan showed a well-defined mass measuring 22×16×20 mm on the right side of the esophagus, along with 99mTc-MIBI uptake in the lesion...
December 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28091892/bariatric-roux-en-y-gastric-bypass-surgery-adipocyte-proteins-involved-in-increased-bone-remodeling-in-humans
#2
Maria Fernanda G Biagioni, Adriana L Mendes, Célia Regina Nogueira, Celso V Leite, Loraine Gollino, Gláucia Mfs Mazeto
PURPOSE: Bariatric surgery has been associated with bone remodeling changes. The action of adipokines on the expression of receptor activator of nuclear factor kappa β ligand (RANKL) and osteoprotegerin (OPG) and on an increase in sclerostin could be related to these changes. MATERIALS AND METHODS: This study aimed to assess the repercussions of weight loss, fat mass (FM), and fat-free mass (FFM) loss and biochemical and hormonal changes on bone remodeling markers after Roux-en-Y gastric bypass (RYGB)...
January 13, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28091771/localization-of-parathyroid-adenomas-using-11-c-methionine-pet-after-prior-inconclusive-imaging
#3
Milou E Noltes, Annemieke M Coester, Anouk N A van der Horst-Schrivers, Bart Dorgelo, Liesbeth Jansen, Walter Noordzij, Clara Lemstra, Adrienne H Brouwers, Schelto Kruijff
PURPOSE: Minimally invasive parathyroidectomy (MIP) is the recommended treatment in primary hyperparathyroidism (pHPT) for which accurate preoperative localization is essential. The current imaging standard consists of cervical ultrasonography (cUS) and MIBI-SPECT/CT. (11)C-MET PET/CT has a higher resolution than MIBI-SPECT/CT. The aim of this study was to determine the diagnostic performance of (11)C-MET PET/CT after initial inconclusive or negative localization. METHODS: We performed a retrospective single center cohort study of patients with pHPT undergoing parathyroid surgery after prior negative imaging and later localization by means of (11)C-MET PET/CT between 2006 and 2014...
January 14, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28064342/failure-of-fragmented-parathyroid-gland-autotransplantation-to-prevent-permanent-hypoparathyroidism-after-total-thyroidectomy
#4
Leyre Lorente-Poch, Juan Sancho, Jose Luis Muñoz, Lander Gallego-Otaegui, Carlos Martínez-Ruiz, Antonio Sitges-Serra
PURPOSE: Parathyroid autotransplantation during total thyroidectomy leads to higher rates of postoperative hypocalcaemia. It has been argued, however, that it prevents permanent hypoparathyroidism. The impact of autografted normal parathyroid gland fragments on long-term parathyroid status has not been assessed properly. To clarify this, the short- and long-term parathyroid function was assessed in patients with three glands remaining in situ after total thyroidectomy, in whom the fourth gland was either autotransplanted (Tx) or accidentally resected (AR)...
January 7, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28063517/the-increasing-problem-of-subclinical-and-overt-hypervitaminosis-d-in-india-an-institutional-experience-and-review
#5
Lokesh Kumar Sharma, Deep Dutta, Neera Sharma, Adesh Kisanji Gadpayle
OBJECTIVE: The aim of this study was to determine the changes in serum vitamin D distribution at an institute in India over the past 6 y and compare it with global trends. METHODS: We conducted an audit of 25-hydroxyvitamin D (25-OHD), calcium, and plasma intact parathyroid hormone (iPTH) reporting from January 2011 to February 2016. References for review were identified through searches of PubMed, Medline, and Embase for articles published until February 2016 using keywords "hypervitaminosis D" (MeSH Terms) OR "vitamin D toxicity" (All Fields) OR "vitamin-D intoxication" (All Fields)...
February 2017: Nutrition
https://www.readbyqxmd.com/read/28062897/the-results-of-ultrasonography-guided-percutaneous-radiofrequency-ablation-in-hyperparathyroid-patients-in-whom-surgery-is-not-feasible
#6
Ismail Cem Sormaz, Arzu Poyanlı, Sami Açar, Ahmet Yalın İşcan, İlker Ozgur, Fatih Tunca, Yasemin Giles Senyürek
BACKGROUND: The aim of the study was to evaluate the results of ultrasonography (US)-guided percutaneous radiofrequency ablation (RFA) in hyperparathyroid patients who refused surgery or had high surgical risks. PATIENTS AND METHODS: Five patients with hyperparathyroidism (HPT) underwent US-guided RFA for a single hyperfunctioning parathyroid lesion. Post-ablation serum calcium and parathormone (PTH) assays were performed. All patients underwent imaging studies 6 months after the ablation to visualize the post-ablation change in the size of the treated parathyroid lesions...
January 6, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28057161/-the-study-on-the-inhibitive-effects-of-recombinant-parathyroid-hormone-1-34-on-osteolysis-in-a-murine-calvarial-model-induced-by-wear-particles
#7
Y B Yu, R X He
Objective: To investigate the effect of different doses of recombinant parathyroid hormone (PTH) (1-34) on osteolysis in a murine calvarial model. Methods: In total, 48 adult male C57BL/J6 mice were randomly divided into four groups: the sham group, the vehicle group, the low dose-, and high dose PTH group (n=12 each group). Mice in the PTH groups were treated with local injection of recombinant PTH at 30 or 60 μg·kg(-1)·d(-1,) intermittent injection 3 times per week for two weeks. Mice in the sham and vehicle groups received local injection of saline daily...
December 27, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28054194/ultrasound-based-scores-as-predictors-for-nodular-hyperplasia-in-patients-with-secondary-hyperparathyroidism-a-prospective-validation-study
#8
Jill Gwiasda, Alexander Kaltenborn, Jörg A Müller, Michaela Serttas, Georg W F Scheumann, Harald Schrem, Mark D Jäger
PURPOSE: Former studies evaluated echostructural and vascular patterns in ultrasound of the parathyroid gland to identify nodular hyperplasia in patients with secondary hyperparathyroidism due to chronic kidney disease. This prospective study aims to externally validate suggested ultrasound classifications. METHODS: Parathyroid glands of 27 patients with secondary hyperparathyroidism undergoing parathyroidectomy were prospectively analyzed. Ultrasound including Doppler imaging was performed 1 day prior to surgery...
January 4, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28033305/a-prospective-cohort-study-of-novel-functional-types-of-parathyroid-glands-in-thyroidectomy-in-situ-preservation-or-auto-transplantation
#9
Qiuxia Cui, Zhihua Li, Deguang Kong, Kun Wang, Gaosong Wu
The best method of preventing hypoparathyroidism after thyroidectomy is to keep parathyroid glands in situ. However, hypoparathyroidism still regularly occurs with the existing parathyroid classification system, and the incidence of permanent hypoparathyroidism has not been reduced. We created a novel system for classifying parathyroid glands that can guide parathyroid preservation in thyroidectomy.We prospectively observed parathyroid glands using the new system in 218 neck surgeries, compared with 132 under the traditional system from January 2014 to September 2015 at a single clinic center...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28032220/transoral-endoscopic-parathyroidectomy-vestibular-approach-a-novel-scarless-parathyroid-surgery
#10
Thanyawat Sasanakietkul, Pornpeera Jitpratoom, Angkoon Anuwong
BACKGROUND: Natural orifice transluminal endoscopic surgery developed for neck surgery become increasing popular. Herein, an innovative transoral endoscopic parathyroidectomy vestibular approach (TOEPVA) was developed for primary hyperparathyroidism (PHPT) and renal hyperparathyroidism (rHPT). METHODS: Incisions were made at the oral vestibule under the inferior lip. A 10-mm trocar was inserted through the center of the oral vestibule with two 5-mm trocars laterally...
December 28, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/28030966/systemic-drugs-that-influence-titanium-implant-osseointegration
#11
Dragos Apostu, Ondine Lucaciu, Gheorghe Dan Osvald Lucaciu, Bogdan Crisan, Liana Crisan, Mihaela Baciut, Florin Onisor, Grigore Baciut, Radu Septimiu Câmpian, Simion Bran
Titanium implants are widely used on an increasing number of patients in orthopedic and dental medicine. Despite the good survival rates of these implants, failures that lead to important socio-economic consequences still exist. Recently, research aimed at improving implant fixation, a process called osseointegration, has focused on a new, inovative field: systemic delivery of drugs. Following implant fixation, patients receive systemic drugs that could either impair or enhance osseointegration; these drugs include anabolic and anti-catabolic bone-acting agents in addition to new treatments...
December 28, 2016: Drug Metabolism Reviews
https://www.readbyqxmd.com/read/28003944/role-of-intraoperative-nerve-monitoring-during-parathyroidectomy-to-prevent-recurrent-laryngeal-nerve-injury
#12
REVIEW
Usman Ghani, Salman Assad, Shuja Assad
Injury to the recurrent laryngeal nerve (RLN) is a well known, though less frequent, complication of parathyroid surgery. In recent years, the use of intraoperative nerve monitoring (IONM) has gained popularity amongst surgeons when operating on thyroid gland; however, its utilization in parathyroid surgery is not established. This trend continues to rise, despite multiple studies documenting no statistically significant difference that IONM decreases the incidence of RLN injury. Most surgeons use this technology as an adjunct to visualization alone for identification of RLN...
November 15, 2016: Curēus
https://www.readbyqxmd.com/read/27989915/application-of-carbon-nanoparticles-accelerates-the-rapid-recovery-of-parathyroid-function-during-thyroid-carcinoma-surgery-with-central-lymph-node-dissection-a-retrospective-cohort-study
#13
Bin Wang, Zhi-Peng Du, Nian-Cun Qiu, Miao-E Liu, Sheng Liu, Dao-Zhen Jiang, Wei Zhang, Ming Qiu
BACKGROUND AND OBJECTIVES: The aim of this study was to evaluate the efficacy of carbon nanoparticles in identifying lymph nodes and promoting parathyroid gland function recovery after thyroid carcinoma surgery along with central lymph node dissection. METHODS: A total of 231 patients who underwent thyroid carcinoma surgery combined with central lymph node dissection were divided into two groups: the CN group (intraoperative carbon nanoparticles injections) and the control group (no injection)...
October 27, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27989606/improving-diagnostic-recognition-of-primary-hyperparathyroidism-with-machine-learning
#14
Yash R Somnay, Mark Craven, Kelly L McCoy, Sally E Carty, Tracy S Wang, Caprice C Greenberg, David F Schneider
BACKGROUND: Parathyroidectomy offers the only cure for primary hyperparathyroidism, but today only 50% of primary hyperparathyroidism patients are referred for operation, in large part, because the condition is widely under-recognized. The diagnosis of primary hyperparathyroidism can be especially challenging with mild biochemical indices. Machine learning is a collection of methods in which computers build predictive algorithms based on labeled examples. With the aim of facilitating diagnosis, we tested the ability of machine learning to distinguish primary hyperparathyroidism from normal physiology using clinical and laboratory data...
December 15, 2016: Surgery
https://www.readbyqxmd.com/read/27941372/early-and-delayed-18f-fch-pet-ct-imaging-in-parathyroid-adenomas
#15
Cecilia Vellani, Marina Hodolič, Spyridon Chytiris, Giuseppe Trifirò, Domenico Rubello, Patrick M Colletti
Preoperative localization with Tc-sestaMIBI or ultrasound is a common prerequisite for successful minimally invasive parathyroid adenoma (PA) surgery. SPECT/CT with Tc-sestaMIBI and PET/CT with F-FCH offer the possibility of attenuation correction and coregistration of functional and anatomical images providing more accurate PA localization. F-FCH PET/CT is used predominantly in patients with prostate cancer and is under investigation in PA. We report the case of a 43-year-old man with early FCH uptake in a cystic PA with delayed washout at 60 minutes...
December 9, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27933172/brown-tumor-of-the-jaw-after-pregnancy-and-lactation-in-a-men1-patient
#16
Anna Casteràs, Lídia Darder, Carles Zafon, Juan Antonio Hueto, Margarita Alberola, Enric Caubet, Jordi Mesa
: Skeletal manifestations of primary hyperparathyroidism (pHPT) include brown tumors (BT), which are osteoclastic focal lesions often localized in the jaws. Brown tumors are a rare manifestation of pHTP in Europe and USA; however, they are frequent in developing countries, probably related to vitamin D deficiency and longer duration and severity of disease. In the majority of cases, the removal of the parathyroid adenoma is enough for the bone to remineralize, but other cases require surgery...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27930873/preprogrammed-long-term-systemic-pulsatile-delivery-of-parathyroid-hormone-to-strengthen-bone
#17
Ming Dang, Amy J Koh, Theodora Danciu, Laurie K McCauley, Peter X Ma
Parathyroid hormone (PTH) is the only US Food and Drug Administration (FDA)-approved anabolic agent for the treatment of osteoporosis. The anabolic action of PTH depends on the mode of PTH administration. Pulsatile administration promotes bone formation, however continuous PTH exposure results in bone resorption. In addition, the therapeutic effect of PTH is optimal when the dose and duration fit the therapeutic window. Current PTH treatment requires daily injection, which is neither a convenient nor a favorable choice of patients...
December 8, 2016: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/27928436/parathyroidectomy-is-vitamin-d-a-player-for-a-good-outcome
#18
REVIEW
Carsote M, Paduraru Dn, Nica Ae, Valea A
Background: The field of parathyroidectomy (PTx) is complex and brings together many specialists. Even if the surgical approaches changed from classical to minimally invasive PTx, a good outcome is correlated with an adequate localization before and during PTx, while blood assays, such as parathormone (PTH) or 25-hydroxyvitamin D, become useful additional markers. Aim. Specific aspects related to parathyroidectomy and vitamins D (VD) were introduced. Material and Method. The article represents a PubMed-based narrative review...
October 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27923758/evidence-for-use-of-teriparatide-in-spinal-fusion-surgery-in-osteoporotic-patients
#19
REVIEW
Navjot Chaudhary, Jennifer S Lee, Joy Y Wu, Suzanne Tharin
Osteoporosis is defined as a bone mineral density (BMD) less than 2.5 standard deviations below the mean BMD at peak bone mass, or the presence of a fragility fracture. In the setting of osteoporosis, early hardware loosening is thought to cause decreased spinal fusion rates. The two mainstays of osteoporosis treatment are bisphosphonates and Teriparatide. Teriparatide, a form of synthetic parathyroid hormone (PTH), is an anabolic agent that increases osteoblast activity and, thereby, bone mass. Preclinical studies in animal models show that Teriparatide increases spinal fusion rates...
December 3, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27904855/multiple-endocrine-neoplasia-type-1-with-anterior-mediastinal-parathyroid-adenoma-successful-localization-using-tc-99m-sestamibi-spect-ct
#20
Hye Lim Park, Ie Ryung Yoo, Sung Hoon Kim, Sohee Lee
The most common manifestation of multiple endocrine neoplasia type 1 (MEN1) is hyperparathyroidism. Treatment of hyperparathyroidism in MEN patients is surgical removal of the parathyroid glands, however ectopic parathyroid gland is challenging for treatment. A 51-year-old female, the eldest of 3 MEN1 sisters, had hyperparathyroidism with ectopic parathyroid adenoma in the mediastinal para-aortic region, which was detected by technetium-99m (Tc-99m) sestamibi scintigraphy and single-photon emission computed tomography/computed tomography (SPECT/CT)...
December 2016: Annals of Surgical Treatment and Research
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