Energy Harvested and Cooperative Enabled Efficient Routing Protocol (EHCRP) for IoT-WBAN.

The health industry is one of the most auspicious domains for the application of Internet of Things (IoT) based technologies. Lots of studies have been carried out in the health industry field to minimize the use of resources and increase the efficiency. The use of IoT combined with other technologies has brought quality advancement in the health sector at minimum expense. One such technology is the use of wireless body area networks (WBANs), which will help patients incredibly in the future and will make them more productive because there will be no need for staying at home or a hospital for a long time. WBANs and IoT have an integrated future as WBANs, like any IoT application, are a collection of heterogeneous sensor-based devices. For the better amalgamation of the IoT and WBANs, several hindrances blocking their integration need to be addressed. One such problem is the efficient routing of data in limited resource sensor nodes (SNs) in WBANs. To solve this and other problems, such as transmission of duplicate sensed data, limited network lifetime, etc., energy harvested and cooperative-enabled efficient routing protocol (EHCRP) for IoT-WBANs is proposed. The proposed protocol considers multiple parameters of WBANs for efficient routing such as residual energy of SNs, number of hops towards the sink, node congestion levels, signal-to-noise ratio (SNR) and available network bandwidth. A path cost estimation function is calculated to select forwarder node using these parameters. Due to the efficient use of the path-cost estimation process, the proposed mechanism achieves efficient and effective multi-hop routing of data and improves the reliability and efficiency of data transmission over the network. After extensive simulations, the achieved results of the proposed protocol are compared with state-of-the-art techniques, i.e., E-HARP, EB-MADM, PCRP and EERP. The results show significant improvement in network lifetime, network throughout, and end-to-end delay.

Prevalence and associated risk factors of HIV in prisons in Balochistan, Pakistan: a cross-sectional study.

Background: The prevalence of HIV is 0.1% in Pakistan, with epidemicity in high-risk groups. The infection is on verge of transmission from key populations to the general population through people who inject drugs and sexual transmission. Prisoners are vulnerable to infectious diseases like HIV. This study was conducted in four prisons in Balochistan, Pakistan to determine the prevalence of HIV and associated risk factors. Methods: This cross sectional study was conducted from March to June 2018, in the prisons of Balochistan. WHO-approved rapid diagnostic kits were used for determining the prevalence of HIV and structured interviews were conducted for the assessment of risk factors. Results: Out of 2084 screened prisoners, 33 (1.6%) were found to be positive. A subset of 104 interviews was analyzed for risk factors of HIV. Among HIV-infected prisoners 68.8% (OR 4.48; 95% CI 1.41-14.2) had extramarital sex, 43.8% (OR 2.09 95% CI 0.69-6.28) had a homosexual experience, and 50% had a history of needle sharing (OR 43; 95% CI 7.77-237). About 94% (OR 16.42; 95% CI 2.09-129.81) of prisoners had a history of drug addiction of any type while 50% (OR 13; 95% CI 2.82-60.01) of HIV-infected had a history of using injectable drugs. Around 75% of HIV-infected prisoners had spent 1-5 years in prison, and 25% had spent more than 10 years. Conclusion: The high prevalence of HIV in prisons of Balochistan demands that preventive and treatment strategies should be designed and implemented carefully, allowing early diagnosis and treatment initiation to minimize the spread of infection among the prisons and ultimately their onward transmission into the community.

Spontaneous resolution of direct carotid cavernous fistula.

Proptosis due to carotid cavernous fistula is rare sequelae of head injury. We report a case of post-traumatic, direct high flow carotid cavernous fistula that resolved spontaneously 06 weeks after carotid angiography. It however, resulted in loss of vision due to delay in early treatment. In the cases of post-traumatic proptosis, carotid cavernous fistula should be kept in mind.

Intralenticular foreign body with a clear lens.

Intraocular foreign bodies (IOFBs) are not uncommon in patients of penetrating ocular trauma but intralenticular foreign bodies are rarely seen. Penetrating ocular injuries are observed more commonly in young men. Intralenticular foreign bodies cause visually significant cataract in almost all cases. We report here a case of a young soldier with intralenticular foreign body of about 1.5 mm in size sparing the visual axis and only causing focal cataractous changes. The foreign body remained innocuous for about 3 months of follow-up not causing any progressive cataract, glaucoma or uveitis. The foreign body was removed, lens aspiration was done and posterior chamber intraocular lens was implanted, as patient could not be followed on long-term basis. The vision was restored to normal within 2 months.

Frequency of ocular manifestations of chronic graft versus host disease.

BACKGROUND: With the advancement of techniques for haematopoietic cell transplantation, the number of transplant survivors is increasing rapidly and so are the chances of chronic graft versus host disease (cGVHD). The ocular manifestations of this disease have not been explored in our local population. This study was conducted to determine the frequency of ocular complications in cases of cGVHD following successful bone marrow transplantation. METHODS: Twelve diagnosed cases of cGVHD were evaluated from June 2008 to March 2009 and there ocular manifestations were noted especially the ocular surface disorders, using double staining method with fluorescein and rose-bengal. RESULTS: Nine patients (75%) were having dry eyes, 7 (58.3%) with mebomian glands dysfunction, 4 (33%) with acute conjunctivitis, 2 (16.7%) with bilateral lacrimal canalicular occlusion, and 1 (8.3%) each of bilateral posterior subcapsular cataract, unilateral sterile corneal epithelial defect, anterior uveitis, retinal haemorrhages and disc oedema. CONCLUSION: The higher frequency of dry eyes along with other ocular manifestations in patients of cGVHD suggests the need of close ophthalmic monitoring in all such cases.

Use of botulinum A toxin (BOTOX) in different types of facial dystonia.

UNLABELLED: This study was carried out in the Eye Departments of Combined Military Hospital, Kharian and Military Hospital, Rawalpindi, from January 2007 to August 2008. To determine the effects of botulinum A toxin (Botox) injection in different types of facial dystonia. A total of 23 botulinum A toxin (Botox) injections were given in 13 patients including 7 males and 6 females. Patients were followed up at 1 week, 6 weeks and 6 months after the injection. The indications were essential blepharospasm in 4 (30.77 %) cases and hemifacial spasms in 9 (69.23%) cases. Age ranged from 28 to 60 years (mean 41 +/- 12 years). Four patients were given injections three times and 2 patients were injected twice. Onset of action of botulinum A toxin (Botox) was variable, starting on the same day in 3 patients while in the rest of patients it started on the next day. Mean duration of action was 12.77 weeks +/- 4.68 (range 6-23 weeks). Dystonia improved in all the cases. Temporary slight facial paresis and lagophthalmos occurred in 3 (23%) cases while ptosis occurred in 2 (15.4%) cases. Two patients (15%) had mild ocular irritation and conjunctival congestion after injection, which settled with topical mild steroid (fluorometholone). CONCLUSION: Botulinum A toxin (Botox) is useful treatment for different types of facial dystonia.