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Fulltext Emotion Recognition Using Smart Watch Sensor Data: Mixed-Design Study

Quiroz JC, Geangu E, Yong MH

JMIR Ment Health, 2018 Aug 08;5(3):e10153.
PMID: 30089610 DOI: 10.2196/10153

BACKGROUND: Research in psychology has shown that the way a person walks reflects that person's current mood (or emotional state). Recent studies have used mobile phones to detect emotional states from movement data.
OBJECTIVE: The objective of our study was to investigate the use of movement sensor data from a smart watch to infer an individual's emotional state. We present our findings of a user study with 50 participants.
METHODS: The experimental design is a mixed-design study: within-subjects (emotions: happy, sad, and neutral) and between-subjects (stimulus type: audiovisual "movie clips" and audio "music clips"). Each participant experienced both emotions in a single stimulus type. All participants walked 250 m while wearing a smart watch on one wrist and a heart rate monitor strap on the chest. They also had to answer a short questionnaire (20 items; Positive Affect and Negative Affect Schedule, PANAS) before and after experiencing each emotion. The data obtained from the heart rate monitor served as supplementary information to our data. We performed time series analysis on data from the smart watch and a t test on questionnaire items to measure the change in emotional state. Heart rate data was analyzed using one-way analysis of variance. We extracted features from the time series using sliding windows and used features to train and validate classifiers that determined an individual's emotion.
RESULTS: Overall, 50 young adults participated in our study; of them, 49 were included for the affective PANAS questionnaire and 44 for the feature extraction and building of personal models. Participants reported feeling less negative affect after watching sad videos or after listening to sad music, P

Matched MeSH terms: Surgical Instruments
Fulltext Combination of 1.1 mm flexible cryoprobe with conventional guide sheath and therapeutic bronchoscope in biopsy of apical upper lobe solitary pulmonary nodule

Kho SS, Chai CS, Nyanti LE, Ismail AMB, Tie ST

BMC Pulm Med, 2020 Jun 03;20(1):158.
PMID: 32493437 DOI: 10.1186/s12890-020-01199-3

BACKGROUND: Lung cancer is frequently situated peripherally in the upper lobes of the lung. Acquiring adequate tissue from this difficult-to-reach area remains a challenge. Transbronchial cryobiopsy (TBCB) has the ability to acquire larger specimens, but the rigidity of the standard 1.9 mm and 2.4 mm cryoprobes frequently poses challenges when used with a guide sheath (GS). The novel 1.1 mm cryoprobe, being both smaller and more flexible, may address this limitation. We describe the usage of this 1.1 mm flexible cryoprobe with GS in the biopsy of solitary pulmonary nodules (SPN) in the apical segment of the upper lobe in two cases.
CASE REPORT: Both procedures were conducted with advanced airway under total intravenous anaesthesia. 2.6 mm GS was used in combination with a 2.2 mm rEBUS probe, using a therapeutic bronchoscope. Case 1 describes a SPN in the apical segment of the right upper lobe that was inconclusive by forceps biopsy due to GS displacement and inadequate biopsy depth. A steerable GS combined with the novel cryoprobe subsequently overcame this issue. Case 2 describes a SPN in the apical segment of the left upper lobe in which the standard cryoprobe failed to advance through the GS due to steep angulation. It also highlights with shorter activation time, the novel cryoprobe enable biopsied tissue to be retrieved through the GS while the bronchoscope-GS remains wedgend in the airway segment. There were no bleeding or pneumothorax complications in both cases, and histopathological examination confirmed adenocarcinoma of the lung.
CONCLUSION: The 1.1 mm flexible cryoprobe in combination with GS and therapeutic bronchoscope offers an option to acquire adequate tissue in difficult-to-reach regions in the lung such as the apical segment of upper lobes. Further prospective series to evaluate its performance and safety in SPN biopsy is highly anticipated.

Matched MeSH terms: Surgical Instruments
Outcome Analysis of Surgical Clipping for Incidental Internal Carotid Posterior Communicating and Anterior Choroidal Artery Aneurysms

Mohammad AA, Yasuhiro Y, Seng LB, Rajagopal N, Yoko K

Asian J Neurosurg, 2019 5 31;14(2):415-421.
PMID: 31143255 DOI: 10.4103/ajns.AJNS_155_18

Introduction: Surgical outcome and ischemic complications of Internal carotid Posterior Communicating (IC PC) and anterior choroidal aneurysms have been questionable due to frequent occlusion of the anterior choroid artery and also due to low incidence of true anterior choroid artery aneurysms. The present series describes the postoperative outcome after clipping of such aneurysms at a single centre.
Methods: A retrospective analysis of 73 cases with IC PC and Anterior choroidal aneurysms performed at a Fujita Health University, Banbuntane Hotokukai Hospital, Nagoya, Aichi, Japan from 2014 to 2018 have been studied and emphasis is made on the demography and ischemic complications.
Results: A total of 73 patients with IC PC and anterior choroidal aneurysms were studied, out of which 57 patient had a true IC PC aneurysm, 14 patients had aneurysms involving the anterior choroidal artery and only 2 patients had aneurysms which involved both the IC PC and the anterior choroidal arteries. None of the patients had a permanent Anterior Choroidal Artery syndrome, whereas only 2 out of the 73 patients had postoperative complications in the form of transient hemiparesis.
Conclusion: Ischemic complications following surgical clipping of IC PC and anterior choroidal aneurysms can be minimised by meticulous micro dissection to identify the anterior choroidal artery thus preserving the patency of the same.

Matched MeSH terms: Surgical Instruments
Fulltext Behavioral and Histopathological Study of Changes in Spinal Cord Injured Rats Supplemented with Spirulina platensis

Aziz I, Che Ramli MD, Mohd Zain NS, Sanusi J

Evid Based Complement Alternat Med, 2014;2014:871657.
PMID: 25152764 DOI: 10.1155/2014/871657

Spinal cord injury (SCI) is a devastating disease that leads to permanent disability and causes great suffering. The resulting neurological dysfunction and paralysis is proportional to the severity of the trauma itself. Spirulina is widely used as a nutritional supplement due to its high protein and antioxidant content. In the present study, the protective effect of the Spirulina treatment on locomotor function and morphological damage after SCI was investigated. Seventy Sprague-Dawley (SD) rats were divided into three groups: Sham (laminectomy alone), Control (laminectomy with SCI), and Experimental (laminectomy with SCI +180 mg/kg per day Spirulina platensis). A laminectomy was performed at T12 and an Inox No.2 modified forceps was used to perform a partial crush injury on the spinal cord. The rats were then perfused at 3, 7, 14, 21, and 28 days after injury for morphological investigations. The injured rat spinal cord indicated a presence of hemorrhage, cavity, and necrosis. Pretreatment with Spirulina significantly improved the locomotor function and showed a significant reduction on the histological changes. The experimental results observed in this study suggest that treatment with Spirulina platensis possesses potential benefits in improving hind limb locomotor function and reducing morphological damage to the spinal cord.

Matched MeSH terms: Surgical Instruments
Case report of a hemostatic clip being retained for 2 years after deployment

Ooi BP, Hassan MR, Kiew KK, Chin KL, Zalwani Z

Gastrointest Endosc, 2010 Dec;72(6):1315-6.
PMID: 20561623 DOI: 10.1016/j.gie.2010.03.1053
Matched MeSH terms: Surgical Instruments*
A new modified speculum guided single nostril technique for endoscopic transnasal transsphenoidal surgery: an analysis of nasal complications

Waran V, Tang IP, Karuppiah R, Abd Kadir KA, Chandran H, Muthusamy KA, et al.

Br J Neurosurg, 2013 Dec;27(6):742-6.
PMID: 23647078 DOI: 10.3109/02688697.2013.791667

Abstract The endoscopic transnasal, transsphenoidal surgical technique for pituitary tumour excision has generally been regarded as a less invasive technique, ranging from single nostril to dual nostril techniques. We propose a single nostril technique using a modified nasal speculum as a preferred technique. We initially reviewed 25 patients who underwent pituitary tumour excision, via endoscopic transnasal transsphenoidal surgery, using this new modified speculum-guided single nostril technique. The results show shorter operation time with reduced intra- and post-operative nasal soft tissue injuries and complications.

Matched MeSH terms: Surgical Instruments*
Filshie Clip sterilization trial in Malaysia

Arshat H, Puraviappan AP, Thambu J, Ali J, Harun R

Malays J Reprod Health, 1984 Jun;2(1):14-9.
PMID: 12267516
Matched MeSH terms: Surgical Instruments*
Female sterilization using Filshie clip in private practice

Puraviappan, Hamid Arshat, Jaffar Ali

Malays J Reprod Health, 1983 Jan;1(1):40-5.
PMID: 12279888
Matched MeSH terms: Surgical Instruments*
Utility of multimaterial 3D printers in creating models with pathological entities to enhance the training experience of neurosurgeons

Waran V, Narayanan V, Karuppiah R, Owen SL, Aziz T

J. Neurosurg., 2014 Feb;120(2):489-92.
PMID: 24321044 DOI: 10.3171/2013.11.JNS131066

The advent of multimaterial 3D printers allows the creation of neurosurgical models of a more realistic nature, mimicking real tissues. The authors used the latest generation of 3D printer to create a model, with an inbuilt pathological entity, of varying consistency and density. Using this model the authors were able to take trainees through the basic steps, from navigation and planning of skin flap to performing initial steps in a craniotomy and simple tumor excision. As the technology advances, models of this nature may be able to supplement the training of neurosurgeons in a simulated operating theater environment, thus improving the training experience.

Matched MeSH terms: Surgical Instruments
A review of sternal closure techniques

Alhalawani AM, Towler MR

J Biomater Appl, 2013 Nov;28(4):483-97.
PMID: 23812580 DOI: 10.1177/0885328213495426

Sternotomy and sternal closure occur prior to and post cardiac surgery, respectively. Although post-operative complications associated with poor sternal fixation can result in morbidity, mortality, and considerable resource utilization, sternotomy is preferred over other methods such as lateral thoracotomy. Rigid sternal fixation is associated with stability and reduced incidence of post-operative complications. This is a comprehensive review of the literature evaluating in vivo, in vitro, and clinical responses to applying commercial and experimental surgical tools for sternal fixation after median sternotomy. Wiring, interlocking, plate-screw, and cementation techniques have been examined for closure, but none have experienced widespread adoption. Although all techniques have their advantages, serious post-operative complications were associated with the use of wiring and/or plating techniques in high-risk patients. A fraction of studies have analyzed the use of sternal interlocking systems and only a single study analyzed the effect of using kryptonite cement with wires. Plating and interlocking techniques are superior to wiring in terms of stability and reduced rate of post-operative complications; however, further clinical studies and long-term follow-up are required. The ideal sternal closure should ensure stability, reduced rate of post-operative complications, and a short hospitalization period, alongside cost-effectiveness.

Matched MeSH terms: Surgical Instruments
An impacted fish bone in the subglottis manifesting as protracted stridor: photodocumentation

Rahmat O, Lim WK, Prepageran N

Ear Nose Throat J, 2007 May;86(5):264.
PMID: 17580799
Matched MeSH terms: Surgical Instruments
Fulltext Changes in white matter fiber density and morphology across the adult lifespan: A cross-sectional fixel-based analysis

Choy SW, Bagarinao E, Watanabe H, Ho ETW, Maesawa S, Mori D, et al.

Hum Brain Mapp, 2020 08 15;41(12):3198-3211.
PMID: 32304267 DOI: 10.1002/hbm.25008

White matter (WM) fiber bundles change dynamically with age. These changes could be driven by alterations in axonal diameter, axonal density, and myelin content. In this study, we applied a novel fixel-based analysis (FBA) framework to examine these changes throughout the adult lifespan. Using diffusion-weighted images from a cohort of 293 healthy volunteers (89 males/204 females) from ages 21 to 86 years old, we performed FBA to analyze age-related changes in microscopic fiber density (FD) and macroscopic fiber morphology (fiber cross section [FC]). Our results showed significant and widespread age-related alterations in FD and FC across the whole brain. Interestingly, some fiber bundles such as the anterior thalamic radiation, corpus callosum, and superior longitudinal fasciculus only showed significant negative relationship with age in FD values, but not in FC. On the other hand, some segments of the cerebello-thalamo-cortical pathway only showed significant negative relationship with age in FC, but not in FD. Analysis at the tract-level also showed that major fiber tract groups predominantly distributed in the frontal lobe (cingulum, forceps minor) exhibited greater vulnerability to the aging process than the others. Differences in FC and the combined measure of FD and cross section values observed between sexes were mostly driven by differences in brain sizes although male participants tended to exhibit steeper negative linear relationship with age in FD as compared to female participants. Overall, these findings provide further insights into the structural changes the brain's WM undergoes due to the aging process.

Matched MeSH terms: Surgical Instruments
Hepatic resection. Pillars of success built on the foundation of 15 years of experience

Balasegaram M, Joishy SK

Am J Surg, 1981 Mar;141(3):360-5.
PMID: 6259961

Two hundred eight-eight hepatic resections performed over the past 15 years are discussed. The safety and success achieved are attributed to the original work in Malaysia on the anatomy of the liver and its anomalies, the use of surgical instruments specially designed for hepatic resection, various types of resections devised and studies on aids to liver regeneration after resection. The diversity of the principles and practice of surgery in the Western countries compared with those in Malaysia is illustrated.

Matched MeSH terms: Surgical Instruments
Can pelvic floor trauma be predicted antenatally?

Caudwell-Hall J, Kamisan Atan I, Brown C, Guzman Rojas R, Langer S, Shek KL, et al.

Acta Obstet Gynecol Scand, 2018 Jun;97(6):751-757.
PMID: 29393505 DOI: 10.1111/aogs.13315

INTRODUCTION: Levator trauma is a risk factor for the development of pelvic organ prolapse. We aimed to identify antenatal predictors for significant damage to the levator ani muscle during a first vaginal delivery.
MATERIAL AND METHODS: A retrospective observational study utilizing data from two studies with identical inclusion criteria and assessment protocols between 2005 and 2014. A total of 1148 primiparae with an uncomplicated singleton pregnancy were recruited and assessed with translabial ultrasound at 36 weeks antepartum and 871 (76%) returned for reassessment 3-6 months postpartum. The ultrasound data of vaginally parous women were analyzed for levator avulsion and microtrauma. The former was diagnosed if the muscle insertion at the inferior pubic ramus in the plane of minimal hiatal dimensions and within 5 mm above were abnormal on tomographic ultrasound imaging. Microtrauma was diagnosed in women with an intact levator and if there was a postpartum increase in hiatal area on Valsalva by >20% with the resultant area ≥25 cm2 .
RESULTS: The complete datasets of 844 women were analyzed. Among them, 609 delivered vaginally: by normal vaginal delivery in 452 (54%), a vacuum birth in 102 (12%) and a forceps delivery in 55 (6%). Levator avulsion was diagnosed in 98 and microtrauma in 97. On multivariate analysis, increasing maternal age, lower body mass index and lower bladder neck descent were associated with avulsion. Increased bladder neck descent and a family history of cesarean section (CS) were associcated with microtrauma.
CONCLUSIONS: Maternal age, body mass index, bladder neck descent and family history of CS are antenatal predictors for levator trauma.

Matched MeSH terms: Surgical Instruments
Fulltext A practical model for endodontic radiography teaching

Che Ab Aziz, Z.A.

Ann Dent, 2008;15(2):67-70.
MyJurnal

Aim: To manufacture a clinical simulation apparatus for the undergraduates' endodontic radiography teaching Objectives: • To provide a model for teaching of parallax method using Kelly's forcep • To provide a model for undergraduates to practice radiographic localization employing parallax method. • To allow students to practice taking radiographs in a way that simulates the clinical situations with a good diagnostic quality Methods: Impressions of a dentate arch (maxillary and mandibullary) were used to form a stone cast. A section of the cast, in the area where the natural teeth were to be placed, is sectioned and removed. Three maxillary extracted teeth (canine, first and second premolar) were selected and mounted with acrylic resin at the sectioned area. The resin was cured in a light box. The arches were mounted in a phantom head with a placement of rubber cheek. The first premolar was isolated with rubber dam. The intraoral holder (Kelly's forcep) was attached to a robotic arm. The students were taught the correct angulations of the x-ray cone for the paralleling technique and parallax method using Kelly's forcep during root canal treatment. Results: All students managed to complete the exercise and were considered competent when they produced acceptable quality of radiographs. Conclusion: The model described was improvised from a model that has been used during the past 2 years for undergraduates' endodontic courses. It has been well accepted as it simulates the clinical situation more closely than was possible previously.

Matched MeSH terms: Surgical Instruments
Fulltext Impact of previous abdominal surgery on laparoscopic cystectomy/oophorectomy results: a comparative clinical study

Hazim, W., Roszaman, R.

International Medical Journal Malaysia, 2012;11(2):29-33.
MyJurnal

Introduction: In the past, patients with previous abdominal surgery were discouraged from laparoscopic surgery because of perceived increased risk of bowel injury caused by needle and trocar insertion. However, data on the feasibility and safety of surgery of this nature is increasing. We aim to evaluate the surgical outcome of laparoscopic ovarian cystectomy/oophorectomy in previous abdominal surgery. Methods: This is a cross-sectional study with descriptive analysis of retrospective data collection from the electronic medical records of women with laparoscopic ovarian cystectomy/ oophorectomy from January 2000 until Dec 2008. Results from patients with previous abdominal surgery were compared with those of women without prior abdominal surgery. Results: Three hundred and seventeen (317) laparoscopic cystectomies/ oophorectomies were performed during the study period. 71 patients (22.5%) had previous history of abdominal surgery. Adhesions were found in 72% of patients versus 40% (p=0.001) who had previous abdominal surgery but the conversion to open surgery rate was similar (3%, p < 0.05). There was no significant difference in blood loss (134.1 ml ±18.6 vs 119.0 ml ± 9.5), operating time (107 min ± 42.0 versus 102.6 min ± 42.6) and postoperative hospital stay (1.92 days ± 1.0 vs 1.91 days ± 0.7 ). The incidence of peri-operative and post-operative complication showed no significant difference in those who had undergone previous abdominal surgery than those without prior abdominal surgery (p=0.7). The overall complication rate in this series was 0.32 %. Conclusion: Laparoscopic cystectomy/ oophorectomy in the previous abdominal surgery is safe with no increase in morbidity.

Matched MeSH terms: Surgical Instruments
Fulltext Neonatal clavicle fracture: a review of fourteen cases in east coast Peninsular Malaysia

Awang, M.S., Abdul Razak, A.H., Che Ahmad, A., Mohd Rus, R.

International Medical Journal Malaysia, 2017;16(2):79-83.
MyJurnal

Introduction: The purpose of this study is to identify the incidence of clavicle fractures in newborn
associated with fetal, maternal and process of deliveries in Kuantan General Hospital from June 2012 until
January 2014. This study is to determine epidemiological data of clavicle fractures, maternal and baby risk
factors associated with clavicle fractures of newborn and its’ outcome.

Methods: This is a prospective
study. 13 patients were identified to fulfill the inclusion criteria of the study. The data of
sociodemographic, associated fetal and maternal risk factors and the outcomes were recorded using
proforma. The statistical data analysis was done using SPSS 12.0.

Results: Out of 20,257 live births at our
centre during the study period, 13 infants were diagnosed to have clavicle fractures, giving an incidence of
0.64 per 1000 live births. There were 5 (38.5%) left, 7 (53.8%) right and one (7.7%) bilateral fracture. All
fractures located at the mid shaft of the clavicle and none have associated brachial plexus injuries. All
infants were delivered through vaginal delivery (61.5%); five through assisted delivery (instrumental); 2
(15.4%) forcep and 3 (23.1%) vacuum. Two of the babies developed shoulder dystocia. The average birth
weight was 3371 grams (SD 0.269) and mean gestational age was 38.7 weeks (SD 1.16). Five of the mothers
(38.5%) were primigravida and eight (61.5%) were multigravida in which,7 (53.8%)were healthy without
other co-morbidty, 5 (38.5%) having gestational diabetis and one (7.7%) hypertension. The average maternal
weight was 62.0 kg and height 1.58 metres with average BMI of 24.16 (3.29SD). All eventually had a
complete recovery at 6 weeks with clinical and radiological evident of fracture union.

Conclusions: In
conclusion, all patients with clavicle fractures were found following vaginal delivery. There were no
associations between neonatal clavicle fractures with maternal or baby risk factors. All fractures healed
without any complications.

Matched MeSH terms: Surgical Instruments
Fulltext Primary closure following drainage of a rectus sheath muscle abscess

Visvanathan R

Singapore Med J, 1994 Feb;35(1):108-9.
PMID: 8009268

The primary closure of a rectus sheath muscle abscess was performed on an 11-year-old child following evacuation of its contents under antimicrobial cover. Complete healing was achieved in eight days. This method avoids the delays in wound healing and morbidity associated with conventional drainage and shortens convalescence.

Matched MeSH terms: Surgical Instruments
Fulltext Transbronchial lymph node forceps biopsy as a novel tool in diagnosis of mediastinal lymphadenopathy: a pilot study

Al-Halfawy A, Hussein S, Ashur W, El-Hendawi A, Hussein S

J Cardiothorac Surg, 2024 Feb 07;19(1):69.
PMID: 38326810 DOI: 10.1186/s13019-024-02560-x

BACKGROUND: Differential diagnosis of mediastinal lymphadenopathy is an issue of debate. Lymph nodes may be enlarged due to a variety of inflammatory, infectious, or malignant reasons. Therefore, obtaining samples from the affected nodes is crucial for the diagnosis. Usually, these patients are subjected to TBNA (EBUS or conventional) or mediastinoscopy if TBNA is not conclusive. This study evaluated the safety and feasibility of this new technique of transbronchial forceps biopsy for the diagnosis of mediastinal lymphadenopathy.
METHODS: The study included 18 patients with confirmed mediastinal lymphadenopathy who were admitted in Chest Department, Cairo University in the period from December 2019 to December 2020. All patients were subjected to flexible bronchoscopy with conventional transbronchial needle aspiration (C-TBNA) and transbronchial forceps biopsy (LN-TBFB) from the enlarged mediastinal lymph node in the same procedure.
RESULTS: we found the technique of LN-TBFB safe with no serious complications. We were able to reach a diagnosis in 7/7 (100%) cases of sarcoidosis, 6/7 (85.7%) cases of malignant lymph nodes. We had three cases where the histopathology showed hyperactive follicular hyperplasia, and a single case of tuberculous lymphadenitis. C-TBNA was diagnostic in 71.4% of sarcoidosis cases, 42.9% of malignant cases, but failed to diagnose the one patient with tuberculous lymphadenitis.
CONCLUSION: Lymph node transbronchial forceps biopsy (LN-TBFB) was found to be safe and effective in the diagnosis of mediastinal lymphadenopathy. We strongly advocate the use of this minimally invasive technique for diagnosing pathologically enlarged mediastinal lymph nodes, as a last step before mediastinoscopy.

Matched MeSH terms: Surgical Instruments
Fulltext Loss of Contralateral Upper Limb Motor Evoked Potential Due to Occlusion of the Internal Carotid Artery in Microsurgical Clipping of Basilar Tip Aneurysm

Seng LB, Yasuhiro Y, Rajagopal N, Mohammad AA, Takao T, Kyosuke M, et al.

Asian J Neurosurg, 2019 4 3;14(1):295-299.
PMID: 30937059 DOI: 10.4103/ajns.AJNS_157_18

The motor evoked potential (MEP) monitoring is routinely used as an adjunct in the microsurgical clipping of anterior circulation. We describe a case of unruptured basilar tip aneurysm treated with microsurgical clipping developed loss in MEP recording of the left abductor pollicis brevis (APB) following clipping of basilar tip aneurysm. A 58-year-old man was referred to the Fujita Health University Banbuntane-Hotokukai Hospital, Nagoya, Aichi, Japan, with incidental finding of unruptured 6.5 mm basilar tip saccular aneurysm. He underwent right anterior temporal approach of basilar tip aneurysm clipping. The internal carotid artery (ICA) was mobilized laterally to allow direct visualization of the neck of the basilar tip aneurysm. Following the application of temporary clip and subsequently permanent clip at the neck of the aneurysm, the MEP signal was lost in the left APB. The temporary clip was immediately removed. Dual-image videoangiography (DIVA) showed a filling defect in the right ICA and a branch of middle cerebral artery (MCA). The MEP was absent for about 23 minutes and the amplitude improved to only 75% of the baseline recording at 38 minutes till the end of the surgery. A repeat DIVA showed good flow within the right ICA and MCA. Glasgow coma score was 15/15 on postoperative day 1 and there was no gross motor or sensory deficit except right oculomotor nerve palsy with complete recovery at 6 months follow-up. This is the first reported ICA occlusion due to its mobilization in microsurgical clipping of basilar tip aneurysm. The use of neuromonitoring especially MEP is essential even in the posterior circulation aneurysm surgery especially when excessive manipulation of the ICA is unavoidable. When performing intraoperative angiography for aneurysm surgery, it is prudent to detect any filling defect within the surrounding vessels.

Matched MeSH terms: Surgical Instruments

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