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1.
Cutan Ocul Toxicol ; 43(2): 134-147, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-38608452

RESUMEN

OBJECTIVES: The aim of this study of sun protection factor boosting effect sunscreen compositions with herbal extract and combination with octocrylene. MATERIALS AND METHODS: The standardized herbal extracts procured and studied their sun protection Factors. Camellia Sinensis (Green tea) leaf Extract, Eclipta prostrata (bhringraj) leaf extract are selected for the development of the herbal sunscreen composition along with octocrylene as synthetic sunscreen. The developed sunscreen composition contains defined concentration of herbal extracts and octocrylene were evaluated for their different physicochemical properties and stability. Sun protection factor boosting effect of herbal extracts is studied combination with octocrylene. RESULTS: Invitro SPF studied for herbal extract individually and combination with octocrylene. The results of Invitro SPF study revealed the presence of green tea extract and, Eclipta prostrata (bhringraj) leaf extract shows excellent sun protection factor (SPF) boosting value of sunscreen composition containing 5% concentration of herbal extract and octocrylene. The sunscreen formulation containing 5% herbal extracts are stable for 12 weeks in an oven (45 °C). CONCLUSION: The findings of this in-vitro SPF study revealed a sun protection boosting capacity of green tea extract and bhringraj extract confirmed. SUMMARY: The over exposure of human skin to Ultra-Violet Radiation (UVR) can trigger photodamage, UV burn, pigmentation, erythema, and enhance the chance of dermal carcinoma. UVR causes DNA damage, which leads to dermal cancer. Daily sunscreens protect the skin from the adverse effects of sun rays, especially UVB (290-320 nm) and UVA (320-400 nm). The ozone layer filters UVC (200-290 nm) radiation when it enters into atmosphere of the earth. UVB causes sunburn, photo damage and cause mutagenic changes in nucleic acids. UVA increases ROS (Reactive Oxygen Species) accumulation. ROS is responsible for cell repair which leads to carcinogenesis, and the cause of photodamage. Herbal extracts contain polyphenols, and flavonoids act as a natural sunscreen that will filter Ultra-Violet (UVB) light and contain antioxidant characteristics to modulate the photo-oxidative damage that results from UV-induced Reactive Oxygen Species production. The UVR protection of most herbal extracts are required to attain the higher UV protection in the sun care products. The approaches for preparing sun care products with higher Sun Protection Factor (SPF) possible through Oil in water formulation with herbal extract combinations of octocrylene. The developed sunscreen composition containing different concentration of herbal extracts were evaluated for their other physicochemical properties and stability. Invitro SPF was studied for Camellia Sinensis (Green tea) Leaf Extract and Eclipta prostrata (bhringraj) leaf extract individually and in combination with octocrylene. The results of the Invitro SPF study revealed the Camellia Sinensis (Green tea) Leaf Extract with octocrylene shows better Sun protection factor than Eclipta prostrata (bhringraj) leaf extract with octocrylene. The Sun Protection Factor (SPF) enhancement value of sunscreen compositions was compared to both sunscreen macroemulsion and nanoemulsion.


Asunto(s)
Acrilatos , Extractos Vegetales , Factor de Protección Solar , Protectores Solares , Protectores Solares/química , Extractos Vegetales/química , Humanos , Acrilatos/química , Rayos Ultravioleta/efectos adversos , Hojas de la Planta/química , Camellia sinensis/química , Té/química
2.
Indian J Anaesth ; 67(Suppl 4): S257-S260, 2023 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-38187980

RESUMEN

Background and Aims: Recommendations on paediatric single-injection local anaesthetic (LA) dosing for peripheral nerve blocks (PNBs) are based on the children's weight and limited by weight-based toxicity concerns. In this study, we assessed the extent of circumferential spread and block characteristics following the injection of an age-based volume (age in years = LA volume) of 0.25% bupivacaine following popliteal sciatic nerve block (PSNB). Methods: Thirty children aged between 2 and 12 years with the American Society of Anesthesiologists (ASA) physical status I and II and undergoing foot and ankle surgical procedures were given single-injection ultrasound-guided subparaneural PSNB using 0.25% bupivacaine at age-based LA volume after the administration of anaesthesia. The circumferential pattern of LA spread (primary objective) was assessed along the nerve (both cephalad and caudal) using ultrasound from the point of administration and the block characteristics in terms of duration of sensory block. Results: The mean [standard deviation (SD)] cephalic circumferential LA spread distance was 2.52 (0.68) [95% confidence interval (CI): 2.27-2.76] cm. The mean (SD) caudal circumferential LA spread distance was 2.27 (0.48) [95% CI: 2.09-2.44] cm. The mean (SD) duration of the sensory block was 9.03 (0.97) [95% CI: 8.67-9.38] h. Conclusion: The age-based LA volume of bupivacaine for ultrasound-guided PSNB resulted in a longitudinal circumferential spread of around 4.7 cm (adding both cephalic and caudal spread) and provided adequate analgesia for nine postoperative hours.

3.
World J Gastrointest Endosc ; 8(2): 56-66, 2016 Jan 25.
Artículo en Inglés | MEDLINE | ID: mdl-26839646

RESUMEN

Esophageal achalasia in children is rare but ultimately requires endoscopic or surgical treatment. Historically, Heller esophagomyotomy has been recommended as the treatment of choice. The refinement of minimally invasive techniques has shifted the trend of treatment toward laparoscopic Heller myotomy (LHM) in adults and children with achalasia. A review of the available literature on LHM performed in patients < 18 years of age was conducted. The pediatric LHM experience is limited to one multi-institutional and several single-institutional retrospective studies. Available data suggest that LHM is safe and effective. There is a paucity of evidence on the need for and superiority of concurrent antireflux procedures. In addition, a more complete portrayal of complications and long-term (> 5 years) outcomes is needed. Due to the infrequency of achalasia in children, these characteristics are unlikely to be defined without collaboration between multiple pediatric surgery centers. The introduction of peroral endoscopic myotomy and single-incision techniques, continue the trend of innovative approaches that may eventually become the standard of care.

4.
Am J Surg ; 211(3): 637-43, 2016 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-26792272

RESUMEN

BACKGROUND: Chronic groin pain after inguinal hernia repair (IHR) is a vexing problem. Reoperation for groin pain (R4GP) has varied outcomes. METHODS: A retrospective review and telephone survey of adults who presented with groin pain after IHR from 1995 to 2014. RESULTS: Forty-four patients underwent R4GP; 23% had greater than 1 R4GP. Twenty-three (52%) had hernia recurrence at the time of R4GP. Twenty (45%) underwent nerve resection, and 13 (30%) had mesh removed. Twenty-eight patients completed a telephone survey. Of these, 26 (93%) respondents indicated they experienced pain after their last R4GP for a median duration of 12.5 months. At study completion, 5 patients continued to have debilitating chronic groin pain, 5 had moderate pain, 6 had minimal discomfort, and 12 were pain-free. Twenty-four respondents (86%) would proceed with reoperation(s) again if they could go back in time. CONCLUSIONS: Although most patients do not experience immediate relief with R4GP, the majority receive some benefit in long-term follow-up.


Asunto(s)
Ingle , Hernia Inguinal/cirugía , Herniorrafia/métodos , Dolor Postoperatorio/cirugía , Adulto , Anciano , Anciano de 80 o más Años , Dolor Crónico , Femenino , Humanos , Masculino , Persona de Mediana Edad , Recurrencia , Reoperación , Estudios Retrospectivos , Resultado del Tratamiento
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