Keloids and hypertrophic scars are abnormalities in the normal wound healing characterized by greater and more sustained extracellular matrix deposition that develops after any insult in the dermis.
It can affect the patient's quality of life, both physically and psychologically.
Hypertrophic scars are raised fibrous tissue scars that remains within the boundaries of the wound. Hypertrophic scars that resulted from surgery or trauma are called linear hypertrophic scars while those from burn injuries or extensive tissue trauma and/or infections are called widespread hypertrophic scars.
Keloids are elevated fibrous scars that extend beyond the borders of the original wound. Major keloids resulted from minor trauma while for those from genetic predisposition with autosomal-predominant features are called minor keloids.
In addition to the known evils of maternal smoking during pregnancy on the son’s semen quality, prenatal exposure to paternal smoking can also be harmful, according to data from the large Danish National Birth Cohort (DNBC) presented at the ESHRE 2019 Meeting.
In patients with ST-segment elevation myocardial infarction (STEMI) treated by primary percutaneous coronary intervention (PPCI), admission Killip classification and creatinine and troponin levels are important cardiac mortality predictors, according to a recent Singapore study.