Velthuis PJ

This study evaluated whether echogenic needles improve ultrasound visibility during hyaluronic acid filler injections in the cheek-a high-risk area due to anatomical variability of facial vessels. In a single-patient in vivo setting, 3 type…

This narrative review explores the various injection techniques utilized in facial filler procedures, emphasizing their applications, benefits, and potential complications. The increasing demand for total facial contouring and rejuvenation …

Height augmentation and cephalic contouring using hyaluronic acid (HA) fillers represent an innovative approach in minimally invasive aesthetic medicine. This study introduces a novel technique for vertex augmentation, leveraging cross-link…

[BACKGROUND] Vascular adverse events (VAEs) are among the most feared complications following filler injections. At the specialized filler-complication clinic, the authors observed that the lateral region of the face experiences a lower ris…

Botulinum toxin (BoNT) injections have become an increasingly popular treatment in aesthetic medicine. Although generally safe and effective, injections into intricate facial muscles such as the masseter, mentalis, and depressor anguli oris…

[BACKGROUND] Nonsurgical rhinoplasty with cross-linked hyaluronic acid (HA) fillers is popular for enhancing nasal esthetics, especially in Asian patients seeking dorsal augmentation. While fillers are expected to last 6 to 12 months, evide…

[BACKGROUND] Due to the great importance of the face in social interaction, minimally invasive treatments can-besides their ability to rejuvenate and enhance beauty-also change the way facial impressions of a person are perceived. In recent…

Even though manufacturers claim that the dermal fillers are nontoxic and nonimmunogenic, adverse events may occur. Clinically and histologically, most of the late onset adverse events present as an inflammatory response. To assess whether H…

Interest in Doppler ultrasound (DUS) analysis of the face has grown in cosmetic medicine, in particular for injectable fillers. When dealing with complications, DUS has the advantage of easily visualizing the filler and identifying the prob…

When an adverse event occurs after a dermal filler treatment, simple ultrasound can be of help for diagnosis. But sometimes a more sophisticated imaging technique as MRI is needed to find the true reason for a complication. As in the case o…

Raynaud's phenomenon is a vasospastic disorder clinically characterized by cold or stress-induced discoloration of the skin, pain and ulcers of the fingers or toes. Although this phenomenon might be self-limiting, there is a subgroup of pat…

[BACKGROUND] Polyalkylimide hydrogel is supposed to be a permanent, biocompatible implant. However, years after subcutaneous implantation clinical complications are seen. [OBJECTIVE] To increase the understanding of the changes that occur …

[BACKGROUND] For complications caused by filler treatments, in general, two treatment regimens are advised: systemic drugs and surgical removal of the material. Another possible treatment option would be removal of the material by intralesi…

[BACKGROUND] Hyaluronic acid fillers are known for a reliable safety profile, but complications do occur, even serious vascular adverse events. [OBJECTIVE] To improve the safety of hyaluronic acid filler treatments. [METHODS] Ultrasound i…

[BACKGROUND] A rare but known adverse event following a cosmetic filler treatment is unilateral blindness. In the Netherlands, this complication has not been reported in a patient before. [CASE DESCRIPTION] A 26-year-old woman developed un…