Publications by authors named "Albert Aziza"

4 Publications

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Easing anxiety in preparation for pediatric magnetic resonance imaging: a pilot study using animal-assisted therapy.

Pediatr Radiol 2019 07 27;49(8):1000-1009. Epub 2019 Apr 27.

Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, ON, M5G 1X8, Canada.

Background: Children undergoing magnetic resonance imaging (MRI) can experience negative emotions both before and during their scan, causing them to move and often necessitating the use of procedural sedation. Several strategies to improve patient compliance have been attempted.

Objective: This study was designed to evaluate the effectiveness of a non-pharmacological intervention to reduce anxiety in pediatric patients preparing for MRI using animal-assisted therapy.

Materials And Methods: An animal intervention pilot study was performed in patients who agreed in advance to interact with a dog. Patients and caregivers filled out questionnaires, including questions designed to capture changes in patient emotion before and after the intervention. MRI diagnostic quality was compared to age- and gender-matched control groups with and without general anesthesia.

Results: The intervention in 21 patients comparing pre- and post-scan surveys demonstrated a statistically significant improvement in patient anxiety levels (P<0.01). Diagnostic MRI scans were achieved in 19/21 (90%), with no significant difference in exam quality or times compared against control groups. The majority of caregivers and staff members agreed strongly that patients benefited from the therapy dog's presence.

Conclusion: The use of animal-assisted therapy in a pilot group in our MRI division resulted in a beneficial effect on patients' emotional status, easing anxiety in preparation for scheduled scans, without impacting MRI quality or duration. Further randomized studies will be needed to demonstrate its significance in reducing sedation rates in children undergoing MRI.
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http://dx.doi.org/10.1007/s00247-019-04407-3DOI Listing
July 2019

Midline posterior glossectomy and lingual tonsillectomy in obese and nonobese children with down syndrome: Biomarkers for success.

Laryngoscope 2017 03 27;127(3):757-763. Epub 2016 Jun 27.

Division of Respiratory Medicine, Hospital for Sick Children, Toronto, Canada.

Objectives/hypothesis: To examine outcomes following midline posterior glossectomy (MPG) plus lingual tonsillectomy (LT) for the treatment of significant obstructive sleep apnea (OSA) in children with Down syndrome (DS).

Methods: Patients with DS who had persistent OSA following tonsillectomy and adenoidectomy (TA) and were relatively intolerant of positive airway pressure (PAP) therapy were evaluated by physical examination and sleep/CINE magnetic resonance imaging to determine the etiology of upper airway obstruction. Patients with relative macroglossia underwent MPG plus LT if required. Successful surgical outcome was defined as the resolution of OSA or the ability to tolerate PAP.

Results: Thirteen children (8 male, 5 female), mean (standard deviation) age 14.2 (4.0) years underwent MPG plus LT. Fifty-four percent of patients were obese (Body mass index [BMI] > 95th centile) and 8% were overweight (BMI 85th-95th centile) preoperatively. All patients underwent pre- and postoperative polysomnography. Postoperatively, the obstructive apnea-hypopnea index fell significantly from 47.0/hour to 5.6/hour (P <.05) in normal weight individuals who did not become obese, but not in obese patients or those who became obese postoperatively. Successful surgical outcome was seen in all (N = 6) children who were normal weight or overweight preoperatively compared with none who were obese preoperatively (N = 7).

Conclusion: Midline posterior glossectomy and LT are beneficial in normal weight and overweight children with DS who have persistent OSA following TA and are intolerant of PAP therapy. Obesity pre- or postoperatively portends a worse prognosis following MPG, suggesting that aggressive weight loss initiatives should be considered as an adjunct to surgery in this population.

Level Of Evidence: 4. Laryngoscope, 127:757-763, 2017.
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http://dx.doi.org/10.1002/lary.26104DOI Listing
March 2017

Pediatric interventional radiology clinic - how are we doing?

Pediatr Radiol 2016 Jul 6;46(8):1165-72. Epub 2016 Apr 6.

Image Guided Therapy, Diagnostic Imaging, The Hospital for Sick Children & University of Toronto, 555 University Ave., Toronto, ON, M5G 1X8, Canada.

Background: Development of a pediatric interventional radiology clinic is a necessary component of providing a pediatric interventional radiology service. Patient satisfaction is important when providing efficient, high-quality care.

Objective: To analyze the care provided by a pediatric interventional radiology clinic from the perspective of efficiency and parent satisfaction, so as to identify areas for improvement.

Materials And Methods: The prospective study was both quantitative and qualitative. The quantitative component measured clinic efficiency (waiting times, duration of clinic visit, nurse/physician time allocation and assessments performed; n = 91). The qualitative component assessed parental satisfaction with their experience with the pediatric interventional radiology clinic, using a questionnaire (5-point Likert scale) and optional free text section for feedback (n = 80). Questions explored the family's perception of relevance of information provided, consent process and overall satisfaction with their pediatric interventional radiology clinic experience.

Results: Families waited a mean of 11 and 10 min to meet the physician and nurse, respectively. Nurses and physicians spent a mean of 28 and 21 min with the families, respectively. The average duration of the pediatric interventional radiology clinic consultation was 56 min. Of 80 survey participants, 83% were satisfied with their experience and 94% said they believed providing consent before the day of the procedure was helpful. Only 5% of respondents were not satisfied with the time-efficiency of the interventional radiology clinic.

Conclusion: Results show the majority of patients/parents are very satisfied with the pediatric interventional radiology clinic visit. The efficiency of the pediatric interventional radiology clinic is satisfactory; however, adherence to stricter scheduling can be improved.
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http://dx.doi.org/10.1007/s00247-016-3593-zDOI Listing
July 2016

Cost-effectiveness analysis of implantable venous access device insertion using interventional radiologic versus conventional operating room methods in pediatric patients with cancer.

J Vasc Interv Radiol 2010 May 27;21(5):677-84. Epub 2010 Mar 27.

Institute of Medical Science, University of Toronto, Toronto, ON, Canada.

Purpose: Percutaneous image-guided techniques are associated with less tissue trauma and morbidity than open surgical techniques. Interventional radiology has received significant health care investment. The purpose was to determine the cost effectiveness of inserting implantable venous access devices (IVADs) by interventional radiologic means versus conventional operating room surgery in pediatric patients with cancer.

Materials And Methods: In a retrospective cohort analysis, patients presenting with a new tumor diagnosis and receiving a first-time IVAD in January to June 2000 (operative group; n = 30) and January to June 2004 (interventional group; n = 30) were included. A societal costing perspective was adopted. Costs included labor, materials, equipment, inpatient wards, parent travel, and parental productivity losses for 30 days after insertion. Severe complications related to IVAD insertion were microcosted. Costs related to cancer therapy were not included. Incremental cost-effectiveness analysis and sensitivity analysis were performed.

Results: Interventional patients were older (7.3 years vs 4.1 years; P = .01). There were no significant differences between groups in sex, American Society of Anesthesiologists score, or length of hospital stay. Interventional radiologic procedures were shorter (84.9 minutes vs 112.8 minutes; P = 0.01). Interventional radiologic insertion was slightly less costly than operative insertion (Can$622,860 and Can$627,005 per 30-patient group, respectively) and more effective in reducing the complication rate (two vs eight complications per group, respectively; P = .039). The results were sensitive to the cost of operating the operating room.

Conclusions: Interventional radiology was slightly less costly than operative IVAD insertion and resulted in fewer serious complications. It should be considered for IVAD insertions in pediatric patients with cancer.
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http://dx.doi.org/10.1016/j.jvir.2010.01.014DOI Listing
May 2010