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Intraoperative mapping

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https://www.readbyqxmd.com/read/27893540/eight-years-experience-of-sentinel-lymph-node-biopsy-in-melanoma-using-lymphoscintigraphy-and-gamma-probe-detection-after-radiocolloid-mapping
#1
Nathalie Pham Dang, Sophie Cassier, Aurélien Mulliez, Sandrine Mansard, Michel DʼIncan, Isabelle Barthélémy
BACKGROUND: Isosulfan blue dye peripheral injection is used in preoperative sentinel lymph node (SLN) identification alone or, to increase sensitivity, in conjunction with radiocolloid mapping. However, isosulfan blue dye has certain drawbacks and limitations. OBJECTIVE: This study assesses the authors' experience of SLN biopsy using only radiocolloid tracer. MATERIALS AND METHODS: Between 2000 and 2008, 218 patients underwent SLN biopsy with radiocolloid mapping, preoperative localization by lymphoscintigraphy and intraoperative confirmation by gamma probe in primary malignant cutaneous melanoma...
November 23, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/27887713/magnetic-resonance-imaging-correlation-to-intraoperative-findings%C3%A2-of-deeply-infiltrative-endometriosis
#2
Traci E Ito, Elias D Abi Khalil, Myles Taffel, Gaby N Moawad
OBJECTIVE: To show characteristics of deeply infiltrative endometriosis (DIE) on magnetic resonance imaging (MRI) and how they correlate with intraoperative findings. DESIGN: Overview of still and dynamic MRI images of four different patients with DIE. We then used videos from their surgeries to highlight the appearance of endometriosis corresponding to these images (educational video). SETTING: University hospital. PATIENT(S): Four different patients with DIE were included in this video...
November 22, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27882235/intraoperative-molecular-analysis-of-sentinel-lymph-nodes-following-neoadjuvant-chemotherapy-in-patients-with-clinical-node-negative-breast-cancer-an-institutional-study
#3
David Parada, Karla B Peña, F Francesc Riu, A Esther Aguilar, Sebastian Cohan
Sentinel lymph node biopsy (SLNB) is an accurate, safe method for determining the axillary lymph node status. However, insufficient evidence exists to support the recommendation of SLNB in patients who have had neoadjuvant chemotherapy (NAC) to downsize tumours and allow for breast conservation surgery. The present study aimed to use molecular approaches to evaluate the feasibility and accuracy of SLNB in patients treated with NAC prior to SLN mapping and surgery. A total of 50 consecutive patients with operable invasive breast carcinomas who had received prior NAC were assessed using the one-step nucleic acid amplification (OSNA) method...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27871836/sentinel-lymph-node-assessment-in-endometrial-cancer-a-systematic-review-and-meta-analysis
#4
REVIEW
Anna Jo Bodurtha Smith, Amanda Nickles Fader, Edward J Tanner
BACKGROUND: In the staging of endometrial cancer, controversy remains regarding the role of sentinel lymph node mapping compared with other nodal assessment strategies. OBJECTIVE: We conducted a systematic review to evaluate the diagnostic accuracy and clinical impact of sentinel lymph node mapping in the management of endometrial cancer. DATA SOURCES: We searched Medline, Embase, and the Cochrane Central Registry of Controlled trials for studies published in English before March 25, 2016 (PROSPERO CRD42016036503)...
November 18, 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27869287/dexmedetomidine-for-attenuating-haemodynamic-response-to-intubation-stimuli-in-morbidly-obese-patients-anaesthetised-using-low-opioid-technique-comparison-with-fentanyl-based-general-anaesthesia
#5
Tomasz Gaszyński, Klaudia Czarnik, Łukasz Łaziński, Wojciech Gaszyński
BACKGROUND: Anaesthesiologists are facing the problem of an increasing population of morbidly obese patients. In order to minimize the risk of opioid-induced postoperative respiratory failure, the intraoperative administration of opioids should be reduced or replaced with other drugs. The purpose of this study was to compare haemodynamic response elicited by intubation in morbidly obese patients between two variants of anaesthesia induction: fentanyl-based or low-opioid using dexmedetomidine...
November 21, 2016: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/27857035/recovery-of-long-term-paresis-following-resection-of-who-grade-ii-gliomas-infiltrating-the-pyramidal-pathway
#6
Juan Martino, Hugo Caballero, Enrique M DE Lucas, Rousinelle DA Silva-Freitas, Carlos Velasquez, Elsa Gomez, Javier Vazquez-Bourgon, Alfonso Vázquez-Barquero
Recent publications had reported high rates of preoperative neurological impairments in WHO grade II gliomas (GIIG) that significantly affect the quality of life. Consequently, one step further in the analysis of surgical outcome in GIIG is to evaluate if surgery is capable to improve preoperative deficits. Here are reported two cases of GIIG infiltrating the primary motor cortex and pyramidal pathway that had a long-term paresis before surgery. Both patients were operated with intraoperative electrical stimulation mapping, with identification and preservation of the primary motor cortex and pyramidal tract...
February 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/27856651/flat-detector-computed-tomography-pbv-map-in-the-evaluation-of-presurgical-embolization-for-hypervascular-brain-tumors
#7
Li-Li Wen, Xin Zhang, Qing-Rong Zhang, Qi Wu, Shu-Juan Chen, Jin-Long Deng, Kaiyi Huang, Han-Dong Wang
BACKGROUND: Preoperative embolization of hypervascular brain tumors is frequently used to minimize intraoperative bleeding. OBJECTIVE: To explore the efficacy of embolization using flat-detector CT (FDCT) parenchymal blood volume (PBV) maps before and after the intervention. MATERIALS AND METHODS: Twenty-five patients with hypervascular brain tumors prospectively received pre- and postprocedural FDCT PBV scans using a biplane system under a protocol approved by the institutional research ethics committee...
November 17, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27847307/the-glue-that-holds-the-situation-together
#8
Kyle J Godfrey, Andrew R Harrison, Bobby S Korn, Don O Kikkawa
A 48-year-old man presented with a longstanding left upper eyelid mass that increased in size when bending forward. The mass was associated with enophthalmos and slowly increased in size with Valsalva maneuver. Magnetic resonance imaging and arteriography demonstrated a vascular malformation without an abnormal arterial component. Because of his increasing pain, the vascular malformation was excised in a multidisciplinary approach involving intraoperative fluoroscopic mapping, cyanoacrylate embolization and surgical excision...
November 12, 2016: Survey of Ophthalmology
https://www.readbyqxmd.com/read/27844236/biliary-tract-visualization-using-near-infrared-imaging-with-indocyanine-green-during-laparoscopic-cholecystectomy-results-of-a-systematic-review
#9
S L Vlek, D A van Dam, S M Rubinstein, E S M de Lange-de Klerk, L J Schoonmade, J B Tuynman, W J H J Meijerink, M Ankersmit
BACKGROUND: Near-infrared imaging with indocyanine green (ICG) has been extensively investigated during laparoscopic cholecystectomy (LC). However, methods vary between studies, especially regarding patient selection, dosage and timing. The aim of this systematic review was to evaluate the potential of the near-infrared imaging technique with ICG to identify biliary structures during LC. METHODS: A comprehensive systematic literature search was performed. Prospective trials examining the use of ICG during LC were included...
November 14, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27837418/multi-slice-spect-ct-vs-lymphoscintigraphy-and-intraoperative-gamma-ray-probe-for-sentinel-node-mapping-in-hnscc
#10
C M Meerwein, T Sekine, P Veit-Haibach, M G Bredell, G F Huber, M W Huellner
To assess the diagnostic potential of multi-slice single-photon emission computed tomography/computed tomography (SPECT/CT) for preoperative sentinel node (SN) mapping in early stage head and neck squamous cell carcinoma (HNSCC). Retrospective case-control study including data of consecutive HNSCC patients treated between November 2011 and December 2015. The diagnostic accuracy of multi-slice SPECT/CT was assessed with regard to the gold standard intraoperative gamma ray detection probe, using McNemar's test and calculating the area under the ROC curve...
November 11, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27833559/the-opioid-sparing-effect-of-perioperative-dexmedetomidine-plus-sufentanil-infusion-during-neurosurgery-a-retrospective-study
#11
Shiyu Su, Chunguang Ren, Hongquan Zhang, Zhong Liu, Zongwang Zhang
Background: Approximately 60% of patients experience moderate-to-severe pain after neurosurgery, which primarily occurs in the first 24-72 h. Despite this, improved postoperative analgesia solutions after neurosurgery have not yet been devised. This retrospective study was conducted to evaluate the effect of intra- and post-operative infusions of dexmedetomidine (DEX) plus sufentanil on the quality of postoperative analgesia in patients undergoing neurosurgery. Methods: One hundred and sixty-three post-neurosurgery patients were divided into two groups: Group D (DEX infusion at 0...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27815812/sentinel-node-mapping-in-endometrial-cancer-patients-comparing-spect-ct-gamma-probe-and-dye
#12
Federica Elisei, Cinzia Crivellaro, Daniela Giuliani, Carlotta Dolci, Elena De Ponti, Luca Montanelli, Maria La Manna, Luca Guerra, Maurizio Arosio, Claudio Landoni, Alessandro Buda
OBJECTIVE: The aim of this study was to compare preoperative SPECT/CT with gamma-probe and methylene blue-dye (MBD) in the identification of sentinel lymph node (SLN) in early stage endometrial cancer. METHODS: 40 stage-I EC patients (66.7 ± 9.7 years) underwent preoperative lymphoscintigraphy. After about 3 h from Tc-99m-albumin nanocolloid cervical injection, all patients underwent SPECT/CT study. MBD was injected into the cervix just before surgery under general anesthesia...
November 4, 2016: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/27814981/hemi-gland-focal-low-dose-rate-prostate-brachytherapy-an-analysis-of-dosimetric-outcomes
#13
Robert Laing, Adrian Franklin, Jennifer Uribe, Alex Horton, Santiago Uribe-Lewis, Stephen Langley
BACKGROUND AND PURPOSE: Advances in magnetic resonance imaging (MRI) and prostate sampling enable early identification of men with low to intermediate risk prostate cancer who are candidates for focal therapies that minimise side effects. We report dosimetry data from a pilot study evaluating the effectiveness of hemi-gland low dose rate (HG-LDR) brachytherapy as a focal therapy approach to control unilateral localised disease. MATERIAL AND METHODS: Twenty-two men underwent HG-LDR brachytherapy...
November 2016: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/27803645/sources-of-variation-influencing-concordance-between-functional-mri-and-direct-cortical-stimulation-in-brain-tumor-surgery
#14
Melanie A Morrison, Fred Tam, Marco M Garavaglia, Gregory M T Hare, Michael D Cusimano, Tom A Schweizer, Sunit Das, Simon J Graham
Object: Preoperative functional magnetic resonance imaging (fMRI) remains a promising method to aid in the surgical management of patients diagnosed with brain tumors. For patients that are candidates for awake craniotomies, surgical decisions can potentially be improved by fMRI but this depends on the level of concordance between preoperative brain maps and the maps provided by the gold standard intraoperative method, direct cortical stimulation (DCS). There have been numerous studies of the concordance between fMRI and DCS using sensitivity and specificity measures, however the results are variable across studies and the key factors influencing variability are not well understood...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27795989/normothermic-machine-perfusion-of-deceased-donor-liver-grafts-is-associated-with-improved-postreperfusion-hemodynamics
#15
Roberta Angelico, M Thamara P R Perera, Reena Ravikumar, David Holroyd, Constantin Coussios, Hynek Mergental, John R Isaac, Asim Iqbal, Hentie Cilliers, Paolo Muiesan, Peter J Friend, Darius F Mirza
BACKGROUND: Graft reperfusion poses a critical challenge during liver transplantation and can be associated with hemodynamic instability/postreperfusion syndrome. This is sequel to ischemia-reperfusion injury and normothermic machine preservation (NMP) may affect hemodynamic changes. Herein, we characterize postreperfusion hemodynamics in liver grafts after NMP and traditional cold preservation. MATERIALS AND METHODS: Intraoperative records of patients receiving grafts after NMP (n = 6; NMP group) and cold storage (CS) (n = 12; CS group) were compared...
September 2016: Transplantation Direct
https://www.readbyqxmd.com/read/27792044/relationship-between-intraoperative-hypotension-defined-by-either-reduction-from-baseline-or-absolute-thresholds-and-acute-kidney-and-myocardial-injury-after-noncardiac-surgery-a-retrospective-cohort-analysis
#16
Vafi Salmasi, Kamal Maheshwari, Dongsheng Yang, Edward J Mascha, Asha Singh, Daniel I Sessler, Andrea Kurz
BACKGROUND: How best to characterize intraoperative hypotension remains unclear. Thus, the authors assessed the relationship between myocardial and kidney injury and intraoperative absolute (intraoperative mean arterial pressure [MAP]) and relative (reduction from preoperative pressure) MAP thresholds. METHODS: The authors characterized hypotension by the lowest MAP below various absolute and relative thresholds for cumulative 1, 3, 5, or 10 min and also time-weighted average below various absolute or relative MAP thresholds...
October 28, 2016: Anesthesiology
https://www.readbyqxmd.com/read/27790557/oral-clonidine-vs-oral-pregabalin-premedication-to-attenuate-pressor-response-to-direct-laryngoscopy-in-patients-undergoing-laparoscopic-cholecystectomy-a-randomized-double-blind-study
#17
Shirin Parveen, Devendra Singh Negi, Rajesh Kumar, Mohd Chand Bagwan
INTRODUCTION: Direct laryngoscopy and tracheal intubation has adverse effects like tachycardia, hypertension, myocardial ischemia and cerebral haemorrhage. There are several studies on various pharmacological agents to attenuate this response. AIM: This study was designed to compare efficacy and safety of oral clonidine and oral pregabalin premedication to attenuate stress response in patients undergoing laparoscopic cholecystectomy. MATERIALS AND METHODS: Total 80 patients of ASA grade I and II, aged between 20-60 years of both sexes scheduled for elective laparoscopic cholecystectomy were included in the study...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27790555/efficacy-and-safety-of-clonidine-as-an-adjuvant-to-bupivacaine-for-caudal-analgesia-in-paediatric-infra-umbilical-surgeries
#18
Samita Priolkar, Shirley Ann D'Souza
INTRODUCTION: Caudal analgesia, has gained popularity in paediatric intraoperative and postoperative pain management, more so with the use of adjuvants to prolong its duration, each of them having various results. Clonidine, an alpha2-adrenergic agonist is being used for its analgesic effects in various doses with 0.25% Bupivacaine. AIM: The study was conducted to compare the analgesic efficacy, haemodynamic safety and side effects of 1 μg/kg Clonidine added to 1 ml/kg of 0...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27787592/contribution-of-spect-ct-for-sentinel-node-localization-in-patients-with-ipsilateral-breast-cancer-relapse
#19
Pablo Borrelli, Maarten L Donswijk, Marcel P Stokkel, Suzana C Teixeira, Harm van Tinteren, Emiel J Th Rutgers, Renato A Valdés Olmos
BACKGROUND: In recent years repeat sentinel node (SN) biopsy has been proven to be feasible in local breast cancer recurrence (LBCR). However, in these patients SNs outside the ipsilateral axilla are frequently observed. This study evaluates the contribution of SPECT/CT for SN localization and surgical adjustment in LBCR patients. METHODS: SN biopsy was performed in 122 LBCR patients (median age 60.5 years, range 24-87), enrolled from August 2006 to July 2015. Median disease-free time lapse was 109...
October 27, 2016: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27786554/real-time-3d-ct-image-guidance-for-transjugular-intrahepatic-portosystemic-shunt-creation-using-preoperative-ct-a-prospective-feasibility-study-of-20-patients
#20
Xuefeng Luo, Xiaoze Wang, Yin Zhao, Huaiyuan Ma, Linchao Ye, Li Yang, Jiaywei Tsauo, Mingshan Jiang, Xiao Li
OBJECTIVE: The purpose of this study is to prospectively evaluate the feasibility and efficacy of real-time 3D CT image guidance during transjugular intrahepatic portosystemic shunt (TIPS) creation. SUBJECTS AND METHODS: Between October 2013 and December 2013, a total of 20 patients were prospectively enrolled in the present study. Previously acquired portal venous phase CT datasets and intraoperative CT datasets were registered on a dedicated workstation. We accomplished semiautomatic registration for the datasets of 11 of 20 patients (55%), and we performed manual registration for the datasets of the remaining nine patients...
October 27, 2016: AJR. American Journal of Roentgenology
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