Pathophysiology of Hypertension and Renal Impairment

A 52-year-old female patient presents to the clinic with a history of persistent headaches, blurred vision, and episodic dizziness. Upon assessment, her blood pressure is found to be 170/100 mmHg. Further laboratory tests reveal elevated serum creatinine and urinary protein levels. These findings suggest the possibility of a significant underlying pathophysiological condition. Which of the following conditions may be contributing to the patient's symptoms and laboratory findings?