Dr. Hala S. Abdel-Ghaffar

04/07/2024

My latest scientific activity. A lecture descrbing a practical demonstration to registering a clinical study protocol on clinicaltrial.gov. step by step. And how to accurately verify and follow-up your registered record, afterwards.

https://youtu.be/BPDpE0k_Gs8?si=4Ji8f1b309VzpZb1

This video describes an important step in the research process i.e. clinical trial registration of the IRB-approved protocol. All you should know about clini...

19/05/2024

الحصول على موافقة لجنة الأخلاقيات (Institutional review board approval) هو خطوة الانطلاق لأى بحث اكلينيكى. بعدها بتسجل على الكلينيكال تريال وتبدأ الشغل العملى.
ليه لازم ناخد ال IRB APPROVAL و ايه الأبحاث اللى بتحتاج IRB approval وايه الأبحاث اللى مش محتاجة IRB approval.
فى الفيديو ده ذكرت كل ما يتعلق بال IRB APPROVAL process وازاى احضر ال application form المطلوبة للجنة الاخلاقيات. وربنا يوفق الجميع.
https://youtu.be/YWkmFQ9h3Iw?si=yO9y20_G7M-eRQyK

28/02/2024

Although the ID of pediatric endotracheal tubes is standard for each manufacturer, selecting an appropriate cuffed ETT size is difficult because the outer di...

28/02/2024

محاضرتى بمؤتمر قسم التخدير والعناية المركزة بكلية الطب - جامعة أسيوط. شكرا لاساتذتى الأفاضل وكل الزملاء بقسم التخدير.

Although the ID of pediatric endotracheal tubes is standard for each manufacturer, selecting an appropriate cuffed ETT size is difficult because the outer di...

30/01/2024

Before starting an experiment, you have to calculate the needed sample size of your study participants. In this video, I mentioned the scientific background ...

30/01/2024

Sample size calculation in experimental research. This is the subject of my new lecture on clinical research. In this lecture, I described the basics of sample size calculation with practical examples.

Before starting an experiment, you have to calculate the needed sample size of your study participants. In this video, I mentioned the scientific background ...

18/01/2024

In this video, I described the 9 key elements or things that should be considered when conducting experimental research, especially randomized controlled tri...

18/01/2024

My latest video in research. The 9 key elements for a successful clinical research.
التسع الحاجات اللى لازم ناخد بالنا منهم واحنا بنشتغل ابحاثنا الاكلينيكية واحنا بننشر كمان.
وبالتوفيق للجميع.

In this video, I described the 9 key elements or things that should be considered when conducting experimental research, especially randomized controlled tri...

16/01/2024

In this short video, I explained the algorithm and steps of formulating a good research question. This journey starts from the idea and selection of a broad ...

16/01/2024

ان شاء الله زى ما طلبتوا منى حددت ميعاد ثابت ان شاء الله هانزل فيه فيديوهاتى عن ال Research كل يوم اتنين و خميس الساعة 8 مساءا بتوقيت القاهرة. الخميس هيكون فيديو طويل بيلم موضوع معين فى ال Research بالتفصيل. والإتنين هيكون فيديوهات قصيرة بتلقى الضوء على نقطة معينة وحطيتها فى Playlist جديدة وسميتها Research short clips ودى اول الفيديوهات القصيرة. وبالتوفيق للجميع.

https://youtu.be/J1EuY-iQWDU?si=SUkKe6d6rrfChQ9E https://youtu.be/beX723e_qB8?si=H-mUNrGkBx3n1LnD

In this short video, I explained the algorithm and steps of formulating a good research question. This journey starts from the idea and selection of a broad ...

11/01/2024

My latest lecture in research and experimental study designs. The randomized controlled trial is the famous example of experimental study designs. The various types, strengths and limitations of RCTs are clearly described in this lecture.

In this lecture, i described the experimental study designs in which the investigators investigate and introduced intervention whether a drug or a technique....

24/12/2023

Observational study designs investigate the relationship between an exposure and outcome. Whereas, experimental study designs investigate the relationship between an intervention and outcome. The exposure might be a risk factor or a disease you observe. An intervention might be a drug you administer or a technique you perform.
In this lecture, I described the different types of observational study designs, strengths and limitations of each type.

This lecture represents the second lecture in step 3 of the research process in which we will choose the study design that best suits your research objective...