**Core Concept**
Xenon anaesthesia is a type of inhalational anaesthesia that utilizes the noble gas Xenon as a potent anesthetic agent. It has a unique pharmacological profile, offering several advantages over traditional anaesthetics.

**Why the Correct Answer is Right**
Xenon anaesthesia is characterized by its rapid onset and recovery times due to its low solubility in blood and tissues. It also provides excellent analgesia and amnesia with minimal respiratory depression. Additionally, Xenon has been shown to have neuroprotective properties and is not flammable, making it an attractive option for patients undergoing long surgeries.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it is not true. Xenon anaesthesia does not have a significant effect on cardiovascular stability. In fact, Xenon has been shown to have a beneficial effect on cardiac output and blood pressure.

**Option B:** This option is incorrect because it is not entirely accurate. While Xenon does have a high cost, it is not the only factor contributing to its limited use. The lack of availability and specialized equipment required for Xenon anaesthesia are also significant barriers.

**Option C:** This option is incorrect because it is not true. Xenon anaesthesia is not associated with significant nephrotoxicity. In fact, Xenon has been shown to have a protective effect on renal function.

**Option D:** This option is incorrect because it is not entirely accurate. While Xenon does have a high blood-gas partition coefficient, it is not the only factor contributing to its pharmacokinetic profile. The low solubility of Xenon in blood and tissues is a more significant factor.

**Clinical Pearl / High-Yield Fact**
Xenon anaesthesia is often used in patients undergoing long or complex surgeries, such as cardiac or neurological procedures, where the benefits of its unique pharmacological profile can be maximized.

**Correct Answer: D. Xenon has a high blood-gas partition coefficient.**