April is still not a suitable time for swimming, the average sea temperature in April is about 15Â°C (59Â°F) .he daytime maximum temperature reaches 19Â°C (66.2Â°F) and at night the air temperature minimum drops to 9Â°C (48.2Â°F) . The average daytime air temperature is about 16.9Â°C (62.4Â°F) , the average temperature at night is 10Â°C (50Â°F) .
Angioplasty (or Balloon angioplasty) is an endovascular procedure to widen narrowed or obstructed arteries or veins, typically to treat arterial atherosclerosis.An empty, collapsed balloon, known as a balloon catheter, is passed over a wire into the narrowed locations and then inflated to a fixed size.ngioplasty (or Balloon angioplasty) is an endovascular procedure to widen narrowed or obstructed arteries or veins, typically to treat arterial atherosclerosis. An empty, collapsed balloon, known as a balloon catheter, is passed over a wire into the narrowed locations and then inflated to a fixed size.
1 A major drawback of carotid angioplasty is the chance that your artery will re-narrow within months of the procedure. 2  Stents have been developed to reduce the risk of restenosis. 3  Blood clots. 4  Blood clots can form within stents even weeks or months after angioplasty.troke or ministroke (transient ischemic attack, or TIA). During angioplasty, blood clots that may form on the catheters can break loose and travel to your brain. Blood thinners are given during the procedure to reduce this risk.